21624200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8317}}^1$

素因数の和:8346

約数の個数: 48

約数和(自身を含む): 54150180

約数和(自身を除く): 32525980

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 8317, 16634, 33268, 41585, 66536, 83170, 108121, 166340, 207925, 216242, 332680, 415850, 432484, 540605, 831700, 864968, 1081210, 1663400, 2162420, 2703025, 4324840, 5406050, 10812100, 21624200]

約数ペア:

[(1, 21624200), (2, 10812100), (4, 5406050), (5, 4324840), (8, 2703025), (10, 2162420), (13, 1663400), (20, 1081210), (25, 864968), (26, 831700), (40, 540605), (50, 432484), (52, 415850), (65, 332680), (100, 216242), (104, 207925), (130, 166340), (200, 108121), (260, 83170), (325, 66536), (520, 41585), (650, 33268), (1300, 16634), (2600, 8317)]