21270560

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3593}}^1$

素因数の和:3645

約数の個数: 48

約数和(自身を含む): 51624216

約数和(自身を除く): 30353656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 3593, 5920, 7186, 14372, 17965, 28744, 35930, 57488, 71860, 114976, 132941, 143720, 265882, 287440, 531764, 574880, 664705, 1063528, 1329410, 2127056, 2658820, 4254112, 5317640, 10635280, 21270560]

約数ペア:

[(1, 21270560), (2, 10635280), (4, 5317640), (5, 4254112), (8, 2658820), (10, 2127056), (16, 1329410), (20, 1063528), (32, 664705), (37, 574880), (40, 531764), (74, 287440), (80, 265882), (148, 143720), (160, 132941), (185, 114976), (296, 71860), (370, 57488), (592, 35930), (740, 28744), (1184, 17965), (1480, 14372), (2960, 7186), (3593, 5920)]