21719070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 58328640

約数和(自身を除く): 36609570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 257, 270, 313, 514, 626, 771, 939, 1285, 1542, 1565, 1878, 2313, 2570, 2817, 3130, 3855, 4626, 4695, 5634, 6939, 7710, 8451, 9390, 11565, 13878, 14085, 16902, 23130, 28170, 34695, 42255, 69390, 80441, 84510, 160882, 241323, 402205, 482646, 723969, 804410, 1206615, 1447938, 2171907, 2413230, 3619845, 4343814, 7239690, 10859535, 21719070]

約数ペア:

[(1, 21719070), (2, 10859535), (3, 7239690), (5, 4343814), (6, 3619845), (9, 2413230), (10, 2171907), (15, 1447938), (18, 1206615), (27, 804410), (30, 723969), (45, 482646), (54, 402205), (90, 241323), (135, 160882), (257, 84510), (270, 80441), (313, 69390), (514, 42255), (626, 34695), (771, 28170), (939, 23130), (1285, 16902), (1542, 14085), (1565, 13878), (1878, 11565), (2313, 9390), (2570, 8451), (2817, 7710), (3130, 6939), (3855, 5634), (4626, 4695)]