21489275730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55100707}}^1$

素因数の和:55100730

約数の個数: 32

約数和(自身を含む): 55541513664

約数和(自身を除く): 34052237934

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 55100707, 110201414, 165302121, 275503535, 330604242, 551007070, 716309191, 826510605, 1432618382, 1653021210, 2148927573, 3581545955, 4297855146, 7163091910, 10744637865, 21489275730]

約数ペア:

[(1, 21489275730), (2, 10744637865), (3, 7163091910), (5, 4297855146), (6, 3581545955), (10, 2148927573), (13, 1653021210), (15, 1432618382), (26, 826510605), (30, 716309191), (39, 551007070), (65, 330604242), (78, 275503535), (130, 165302121), (195, 110201414), (390, 55100707)]