21845200

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{4201}}^1$

素因数の和:4232

約数の個数: 60

約数和(自身を含む): 56533708

約数和(自身を除く): 34688508

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 4201, 5200, 8402, 16804, 21005, 33608, 42010, 54613, 67216, 84020, 105025, 109226, 168040, 210050, 218452, 273065, 336080, 420100, 436904, 546130, 840200, 873808, 1092260, 1365325, 1680400, 2184520, 2730650, 4369040, 5461300, 10922600, 21845200]

約数ペア:

[(1, 21845200), (2, 10922600), (4, 5461300), (5, 4369040), (8, 2730650), (10, 2184520), (13, 1680400), (16, 1365325), (20, 1092260), (25, 873808), (26, 840200), (40, 546130), (50, 436904), (52, 420100), (65, 336080), (80, 273065), (100, 218452), (104, 210050), (130, 168040), (200, 109226), (208, 105025), (260, 84020), (325, 67216), (400, 54613), (520, 42010), (650, 33608), (1040, 21005), (1300, 16804), (2600, 8402), (4201, 5200)]