21395190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4723}}^1$

素因数の和:4884

約数の個数: 32

約数和(自身を含む): 51699456

約数和(自身を除く): 30304266

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 151, 302, 453, 755, 906, 1510, 2265, 4530, 4723, 9446, 14169, 23615, 28338, 47230, 70845, 141690, 713173, 1426346, 2139519, 3565865, 4279038, 7131730, 10697595, 21395190]

約数ペア:

[(1, 21395190), (2, 10697595), (3, 7131730), (5, 4279038), (6, 3565865), (10, 2139519), (15, 1426346), (30, 713173), (151, 141690), (302, 70845), (453, 47230), (755, 28338), (906, 23615), (1510, 14169), (2265, 9446), (4530, 4723)]