21105360

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{3257}}^1$

素因数の和:3282

約数の個数: 100

約数和(自身を含む): 73324548

約数和(自身を除く): 52219188

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 3257, 6480, 6514, 9771, 13028, 16285, 19542, 26056, 29313, 32570, 39084, 48855, 52112, 58626, 65140, 78168, 87939, 97710, 117252, 130280, 146565, 156336, 175878, 195420, 234504, 260560, 263817, 293130, 351756, 390840, 439695, 469008, 527634, 586260, 703512, 781680, 879390, 1055268, 1172520, 1319085, 1407024, 1758780, 2110536, 2345040, 2638170, 3517560, 4221072, 5276340, 7035120, 10552680, 21105360]

約数ペア:

[(1, 21105360), (2, 10552680), (3, 7035120), (4, 5276340), (5, 4221072), (6, 3517560), (8, 2638170), (9, 2345040), (10, 2110536), (12, 1758780), (15, 1407024), (16, 1319085), (18, 1172520), (20, 1055268), (24, 879390), (27, 781680), (30, 703512), (36, 586260), (40, 527634), (45, 469008), (48, 439695), (54, 390840), (60, 351756), (72, 293130), (80, 263817), (81, 260560), (90, 234504), (108, 195420), (120, 175878), (135, 156336), (144, 146565), (162, 130280), (180, 117252), (216, 97710), (240, 87939), (270, 78168), (324, 65140), (360, 58626), (405, 52112), (432, 48855), (540, 39084), (648, 32570), (720, 29313), (810, 26056), (1080, 19542), (1296, 16285), (1620, 13028), (2160, 9771), (3240, 6514), (3257, 6480)]