21096120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 67184640

約数和(自身を除く): 46088520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 62, 93, 106, 107, 120, 124, 155, 159, 186, 212, 214, 248, 265, 310, 318, 321, 372, 424, 428, 465, 530, 535, 620, 636, 642, 744, 795, 856, 930, 1060, 1070, 1240, 1272, 1284, 1590, 1605, 1643, 1860, 2120, 2140, 2568, 3180, 3210, 3286, 3317, 3720, 4280, 4929, 5671, 6360, 6420, 6572, 6634, 8215, 9858, 9951, 11342, 12840, 13144, 13268, 16430, 16585, 17013, 19716, 19902, 22684, 24645, 26536, 28355, 32860, 33170, 34026, 39432, 39804, 45368, 49290, 49755, 56710, 65720, 66340, 68052, 79608, 85065, 98580, 99510, 113420, 132680, 136104, 170130, 175801, 197160, 199020, 226840, 340260, 351602, 398040, 527403, 680520, 703204, 879005, 1054806, 1406408, 1758010, 2109612, 2637015, 3516020, 4219224, 5274030, 7032040, 10548060, 21096120]

約数ペア:

[(1, 21096120), (2, 10548060), (3, 7032040), (4, 5274030), (5, 4219224), (6, 3516020), (8, 2637015), (10, 2109612), (12, 1758010), (15, 1406408), (20, 1054806), (24, 879005), (30, 703204), (31, 680520), (40, 527403), (53, 398040), (60, 351602), (62, 340260), (93, 226840), (106, 199020), (107, 197160), (120, 175801), (124, 170130), (155, 136104), (159, 132680), (186, 113420), (212, 99510), (214, 98580), (248, 85065), (265, 79608), (310, 68052), (318, 66340), (321, 65720), (372, 56710), (424, 49755), (428, 49290), (465, 45368), (530, 39804), (535, 39432), (620, 34026), (636, 33170), (642, 32860), (744, 28355), (795, 26536), (856, 24645), (930, 22684), (1060, 19902), (1070, 19716), (1240, 17013), (1272, 16585), (1284, 16430), (1590, 13268), (1605, 13144), (1643, 12840), (1860, 11342), (2120, 9951), (2140, 9858), (2568, 8215), (3180, 6634), (3210, 6572), (3286, 6420), (3317, 6360), (3720, 5671), (4280, 4929)]