21990147210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{374173}}^1$

素因数の和:374839

約数の個数: 48

約数和(自身を含む): 57262092264

約数和(自身を除く): 35271945054

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 653, 1306, 1959, 3265, 3918, 5877, 6530, 9795, 11754, 19590, 29385, 58770, 374173, 748346, 1122519, 1870865, 2245038, 3367557, 3741730, 5612595, 6735114, 11225190, 16837785, 33675570, 244334969, 488669938, 733004907, 1221674845, 1466009814, 2199014721, 2443349690, 3665024535, 4398029442, 7330049070, 10995073605, 21990147210]

約数ペア:

[(1, 21990147210), (2, 10995073605), (3, 7330049070), (5, 4398029442), (6, 3665024535), (9, 2443349690), (10, 2199014721), (15, 1466009814), (18, 1221674845), (30, 733004907), (45, 488669938), (90, 244334969), (653, 33675570), (1306, 16837785), (1959, 11225190), (3265, 6735114), (3918, 5612595), (5877, 3741730), (6530, 3367557), (9795, 2245038), (11754, 1870865), (19590, 1122519), (29385, 748346), (58770, 374173)]