21425340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11519}}^1$

素因数の和:11562

約数の個数: 48

約数和(自身を含む): 61931520

約数和(自身を除く): 40506180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11519, 23038, 34557, 46076, 57595, 69114, 115190, 138228, 172785, 230380, 345570, 357089, 691140, 714178, 1071267, 1428356, 1785445, 2142534, 3570890, 4285068, 5356335, 7141780, 10712670, 21425340]

約数ペア:

[(1, 21425340), (2, 10712670), (3, 7141780), (4, 5356335), (5, 4285068), (6, 3570890), (10, 2142534), (12, 1785445), (15, 1428356), (20, 1071267), (30, 714178), (31, 691140), (60, 357089), (62, 345570), (93, 230380), (124, 172785), (155, 138228), (186, 115190), (310, 69114), (372, 57595), (465, 46076), (620, 34557), (930, 23038), (1860, 11519)]