21296520

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{313}}^1$

素因数の和:346

約数の個数: 192

約数和(自身を含む): 82293120

約数和(自身を除く): 60996600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 243, 252, 270, 280, 313, 315, 324, 360, 378, 405, 420, 486, 504, 540, 567, 626, 630, 648, 756, 810, 840, 939, 945, 972, 1080, 1134, 1215, 1252, 1260, 1512, 1565, 1620, 1701, 1878, 1890, 1944, 2191, 2268, 2430, 2504, 2520, 2817, 2835, 3130, 3240, 3402, 3756, 3780, 4382, 4536, 4695, 4860, 5634, 5670, 6260, 6573, 6804, 7512, 7560, 8451, 8505, 8764, 9390, 9720, 10955, 11268, 11340, 12520, 13146, 13608, 14085, 16902, 17010, 17528, 18780, 19719, 21910, 22536, 22680, 25353, 26292, 28170, 32865, 33804, 34020, 37560, 39438, 42255, 43820, 50706, 52584, 56340, 59157, 65730, 67608, 68040, 76059, 78876, 84510, 87640, 98595, 101412, 112680, 118314, 126765, 131460, 152118, 157752, 169020, 177471, 197190, 202824, 236628, 253530, 262920, 295785, 304236, 338040, 354942, 380295, 394380, 473256, 507060, 532413, 591570, 608472, 709884, 760590, 788760, 887355, 1014120, 1064826, 1183140, 1419768, 1521180, 1774710, 2129652, 2366280, 2662065, 3042360, 3549420, 4259304, 5324130, 7098840, 10648260, 21296520]

約数ペア:

[(1, 21296520), (2, 10648260), (3, 7098840), (4, 5324130), (5, 4259304), (6, 3549420), (7, 3042360), (8, 2662065), (9, 2366280), (10, 2129652), (12, 1774710), (14, 1521180), (15, 1419768), (18, 1183140), (20, 1064826), (21, 1014120), (24, 887355), (27, 788760), (28, 760590), (30, 709884), (35, 608472), (36, 591570), (40, 532413), (42, 507060), (45, 473256), (54, 394380), (56, 380295), (60, 354942), (63, 338040), (70, 304236), (72, 295785), (81, 262920), (84, 253530), (90, 236628), (105, 202824), (108, 197190), (120, 177471), (126, 169020), (135, 157752), (140, 152118), (162, 131460), (168, 126765), (180, 118314), (189, 112680), (210, 101412), (216, 98595), (243, 87640), (252, 84510), (270, 78876), (280, 76059), (313, 68040), (315, 67608), (324, 65730), (360, 59157), (378, 56340), (405, 52584), (420, 50706), (486, 43820), (504, 42255), (540, 39438), (567, 37560), (626, 34020), (630, 33804), (648, 32865), (756, 28170), (810, 26292), (840, 25353), (939, 22680), (945, 22536), (972, 21910), (1080, 19719), (1134, 18780), (1215, 17528), (1252, 17010), (1260, 16902), (1512, 14085), (1565, 13608), (1620, 13146), (1701, 12520), (1878, 11340), (1890, 11268), (1944, 10955), (2191, 9720), (2268, 9390), (2430, 8764), (2504, 8505), (2520, 8451), (2817, 7560), (2835, 7512), (3130, 6804), (3240, 6573), (3402, 6260), (3756, 5670), (3780, 5634), (4382, 4860), (4536, 4695)]