21364560

素因数分解:

$2^4\times 3^5\times 5^1\times 7^1\times {\mathrm{157}}^1$

素因数の和:192

約数の個数: 240

約数和(自身を含む): 85577856

約数和(自身を除く): 64213296

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 157, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 314, 315, 324, 336, 360, 378, 405, 420, 432, 471, 486, 504, 540, 560, 567, 628, 630, 648, 720, 756, 785, 810, 840, 942, 945, 972, 1008, 1080, 1099, 1134, 1215, 1256, 1260, 1296, 1413, 1512, 1570, 1620, 1680, 1701, 1884, 1890, 1944, 2160, 2198, 2268, 2355, 2430, 2512, 2520, 2826, 2835, 3024, 3140, 3240, 3297, 3402, 3768, 3780, 3888, 4239, 4396, 4536, 4710, 4860, 5040, 5495, 5652, 5670, 6280, 6480, 6594, 6804, 7065, 7536, 7560, 8478, 8505, 8792, 9072, 9420, 9720, 9891, 10990, 11304, 11340, 12560, 12717, 13188, 13608, 14130, 15120, 16485, 16956, 17010, 17584, 18840, 19440, 19782, 21195, 21980, 22608, 22680, 25434, 26376, 27216, 28260, 29673, 32970, 33912, 34020, 37680, 38151, 39564, 42390, 43960, 45360, 49455, 50868, 52752, 56520, 59346, 63585, 65940, 67824, 68040, 76302, 79128, 84780, 87920, 89019, 98910, 101736, 113040, 118692, 127170, 131880, 136080, 148365, 152604, 158256, 169560, 178038, 190755, 197820, 203472, 237384, 254340, 263760, 267057, 296730, 305208, 339120, 356076, 381510, 395640, 445095, 474768, 508680, 534114, 593460, 610416, 712152, 763020, 791280, 890190, 1017360, 1068228, 1186920, 1335285, 1424304, 1526040, 1780380, 2136456, 2373840, 2670570, 3052080, 3560760, 4272912, 5341140, 7121520, 10682280, 21364560]

約数ペア:

[(1, 21364560), (2, 10682280), (3, 7121520), (4, 5341140), (5, 4272912), (6, 3560760), (7, 3052080), (8, 2670570), (9, 2373840), (10, 2136456), (12, 1780380), (14, 1526040), (15, 1424304), (16, 1335285), (18, 1186920), (20, 1068228), (21, 1017360), (24, 890190), (27, 791280), (28, 763020), (30, 712152), (35, 610416), (36, 593460), (40, 534114), (42, 508680), (45, 474768), (48, 445095), (54, 395640), (56, 381510), (60, 356076), (63, 339120), (70, 305208), (72, 296730), (80, 267057), (81, 263760), (84, 254340), (90, 237384), (105, 203472), (108, 197820), (112, 190755), (120, 178038), (126, 169560), (135, 158256), (140, 152604), (144, 148365), (157, 136080), (162, 131880), (168, 127170), (180, 118692), (189, 113040), (210, 101736), (216, 98910), (240, 89019), (243, 87920), (252, 84780), (270, 79128), (280, 76302), (314, 68040), (315, 67824), (324, 65940), (336, 63585), (360, 59346), (378, 56520), (405, 52752), (420, 50868), (432, 49455), (471, 45360), (486, 43960), (504, 42390), (540, 39564), (560, 38151), (567, 37680), (628, 34020), (630, 33912), (648, 32970), (720, 29673), (756, 28260), (785, 27216), (810, 26376), (840, 25434), (942, 22680), (945, 22608), (972, 21980), (1008, 21195), (1080, 19782), (1099, 19440), (1134, 18840), (1215, 17584), (1256, 17010), (1260, 16956), (1296, 16485), (1413, 15120), (1512, 14130), (1570, 13608), (1620, 13188), (1680, 12717), (1701, 12560), (1884, 11340), (1890, 11304), (1944, 10990), (2160, 9891), (2198, 9720), (2268, 9420), (2355, 9072), (2430, 8792), (2512, 8505), (2520, 8478), (2826, 7560), (2835, 7536), (3024, 7065), (3140, 6804), (3240, 6594), (3297, 6480), (3402, 6280), (3768, 5670), (3780, 5652), (3888, 5495), (4239, 5040), (4396, 4860), (4536, 4710)]