21892080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 160

約数和(自身を含む): 78994944

約数和(自身を除く): 57102864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 83, 84, 105, 112, 120, 140, 157, 166, 168, 210, 240, 249, 280, 314, 332, 336, 415, 420, 471, 498, 560, 581, 628, 664, 785, 830, 840, 942, 996, 1099, 1162, 1245, 1256, 1328, 1570, 1660, 1680, 1743, 1884, 1992, 2198, 2324, 2355, 2490, 2512, 2905, 3140, 3297, 3320, 3486, 3768, 3984, 4396, 4648, 4710, 4980, 5495, 5810, 6280, 6594, 6640, 6972, 7536, 8715, 8792, 9296, 9420, 9960, 10990, 11620, 12560, 13031, 13188, 13944, 16485, 17430, 17584, 18840, 19920, 21980, 23240, 26062, 26376, 27888, 32970, 34860, 37680, 39093, 43960, 46480, 52124, 52752, 65155, 65940, 69720, 78186, 87920, 91217, 104248, 130310, 131880, 139440, 156372, 182434, 195465, 208496, 260620, 263760, 273651, 312744, 364868, 390930, 456085, 521240, 547302, 625488, 729736, 781860, 912170, 1042480, 1094604, 1368255, 1459472, 1563720, 1824340, 2189208, 2736510, 3127440, 3648680, 4378416, 5473020, 7297360, 10946040, 21892080]

約数ペア:

[(1, 21892080), (2, 10946040), (3, 7297360), (4, 5473020), (5, 4378416), (6, 3648680), (7, 3127440), (8, 2736510), (10, 2189208), (12, 1824340), (14, 1563720), (15, 1459472), (16, 1368255), (20, 1094604), (21, 1042480), (24, 912170), (28, 781860), (30, 729736), (35, 625488), (40, 547302), (42, 521240), (48, 456085), (56, 390930), (60, 364868), (70, 312744), (80, 273651), (83, 263760), (84, 260620), (105, 208496), (112, 195465), (120, 182434), (140, 156372), (157, 139440), (166, 131880), (168, 130310), (210, 104248), (240, 91217), (249, 87920), (280, 78186), (314, 69720), (332, 65940), (336, 65155), (415, 52752), (420, 52124), (471, 46480), (498, 43960), (560, 39093), (581, 37680), (628, 34860), (664, 32970), (785, 27888), (830, 26376), (840, 26062), (942, 23240), (996, 21980), (1099, 19920), (1162, 18840), (1245, 17584), (1256, 17430), (1328, 16485), (1570, 13944), (1660, 13188), (1680, 13031), (1743, 12560), (1884, 11620), (1992, 10990), (2198, 9960), (2324, 9420), (2355, 9296), (2490, 8792), (2512, 8715), (2905, 7536), (3140, 6972), (3297, 6640), (3320, 6594), (3486, 6280), (3768, 5810), (3984, 5495), (4396, 4980), (4648, 4710)]