21962200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8447}}^1$

素因数の和:8476

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 33034280

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, 8447, 16894, 33788, 42235, 67576, 84470, 109811, 168940, 211175, 219622, 337880, 422350, 439244, 549055, 844700, 878488, 1098110, 1689400, 2196220, 2745275, 4392440, 5490550, 10981100, 21962200]

約数ペア:

[(1, 21962200), (2, 10981100), (4, 5490550), (5, 4392440), (8, 2745275), (10, 2196220), (13, 1689400), (20, 1098110), (25, 878488), (26, 844700), (40, 549055), (50, 439244), (52, 422350), (65, 337880), (100, 219622), (104, 211175), (130, 168940), (200, 109811), (260, 84470), (325, 67576), (520, 42235), (650, 33788), (1300, 16894), (2600, 8447)]