21437370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{761}}^1$

素因数の和:1087

約数の個数: 48

約数和(自身を含む): 55988712

約数和(自身を除く): 34551342

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 313, 626, 761, 939, 1522, 1565, 1878, 2283, 2817, 3130, 3805, 4566, 4695, 5634, 6849, 7610, 9390, 11415, 13698, 14085, 22830, 28170, 34245, 68490, 238193, 476386, 714579, 1190965, 1429158, 2143737, 2381930, 3572895, 4287474, 7145790, 10718685, 21437370]

約数ペア:

[(1, 21437370), (2, 10718685), (3, 7145790), (5, 4287474), (6, 3572895), (9, 2381930), (10, 2143737), (15, 1429158), (18, 1190965), (30, 714579), (45, 476386), (90, 238193), (313, 68490), (626, 34245), (761, 28170), (939, 22830), (1522, 14085), (1565, 13698), (1878, 11415), (2283, 9390), (2817, 7610), (3130, 6849), (3805, 5634), (4566, 4695)]