21383130

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5441}}^1$

素因数の和:5582

約数の個数: 32

約数和(自身を含む): 51720768

約数和(自身を除く): 30337638

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5441, 10882, 16323, 27205, 32646, 54410, 81615, 163230, 712771, 1425542, 2138313, 3563855, 4276626, 7127710, 10691565, 21383130]

約数ペア:

[(1, 21383130), (2, 10691565), (3, 7127710), (5, 4276626), (6, 3563855), (10, 2138313), (15, 1425542), (30, 712771), (131, 163230), (262, 81615), (393, 54410), (655, 32646), (786, 27205), (1310, 16323), (1965, 10882), (3930, 5441)]