21503430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18379}}^1$

素因数の和:18405

約数の個数: 48

約数和(自身を含む): 60212880

約数和(自身を除く): 38709450

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 18379, 36758, 55137, 91895, 110274, 165411, 183790, 238927, 275685, 330822, 477854, 551370, 716781, 827055, 1194635, 1433562, 1654110, 2150343, 2389270, 3583905, 4300686, 7167810, 10751715, 21503430]

約数ペア:

[(1, 21503430), (2, 10751715), (3, 7167810), (5, 4300686), (6, 3583905), (9, 2389270), (10, 2150343), (13, 1654110), (15, 1433562), (18, 1194635), (26, 827055), (30, 716781), (39, 551370), (45, 477854), (65, 330822), (78, 275685), (90, 238927), (117, 183790), (130, 165411), (195, 110274), (234, 91895), (390, 55137), (585, 36758), (1170, 18379)]