21237960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176983}}^1$

素因数の和:176997

約数の個数: 32

約数和(自身を含む): 63714240

約数和(自身を除く): 42476280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176983, 353966, 530949, 707932, 884915, 1061898, 1415864, 1769830, 2123796, 2654745, 3539660, 4247592, 5309490, 7079320, 10618980, 21237960]

約数ペア:

[(1, 21237960), (2, 10618980), (3, 7079320), (4, 5309490), (5, 4247592), (6, 3539660), (8, 2654745), (10, 2123796), (12, 1769830), (15, 1415864), (20, 1061898), (24, 884915), (30, 707932), (40, 530949), (60, 353966), (120, 176983)]