21687150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{887}}^1$

素因数の和:1065

約数の個数: 48

約数和(自身を含む): 54175104

約数和(自身を除く): 32487954

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 163, 326, 489, 815, 887, 978, 1630, 1774, 2445, 2661, 4075, 4435, 4890, 5322, 8150, 8870, 12225, 13305, 22175, 24450, 26610, 44350, 66525, 133050, 144581, 289162, 433743, 722905, 867486, 1445810, 2168715, 3614525, 4337430, 7229050, 10843575, 21687150]

約数ペア:

[(1, 21687150), (2, 10843575), (3, 7229050), (5, 4337430), (6, 3614525), (10, 2168715), (15, 1445810), (25, 867486), (30, 722905), (50, 433743), (75, 289162), (150, 144581), (163, 133050), (326, 66525), (489, 44350), (815, 26610), (887, 24450), (978, 22175), (1630, 13305), (1774, 12225), (2445, 8870), (2661, 8150), (4075, 5322), (4435, 4890)]