21371569400

素因数分解:

$2^3\times 5^2\times {\mathrm{317}}^1\times {\mathrm{337091}}^1$

素因数の和:337424

約数の個数: 48

約数和(自身を含む): 49845794040

約数和(自身を除く): 28474224640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 317, 634, 1268, 1585, 2536, 3170, 6340, 7925, 12680, 15850, 31700, 63400, 337091, 674182, 1348364, 1685455, 2696728, 3370910, 6741820, 8427275, 13483640, 16854550, 33709100, 67418200, 106857847, 213715694, 427431388, 534289235, 854862776, 1068578470, 2137156940, 2671446175, 4274313880, 5342892350, 10685784700, 21371569400]

約数ペア:

[(1, 21371569400), (2, 10685784700), (4, 5342892350), (5, 4274313880), (8, 2671446175), (10, 2137156940), (20, 1068578470), (25, 854862776), (40, 534289235), (50, 427431388), (100, 213715694), (200, 106857847), (317, 67418200), (634, 33709100), (1268, 16854550), (1585, 13483640), (2536, 8427275), (3170, 6741820), (6340, 3370910), (7925, 2696728), (12680, 1685455), (15850, 1348364), (31700, 674182), (63400, 337091)]