21739920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{90583}}^1$

素因数の和:90599

約数の個数: 40

約数和(自身を含む): 67394496

約数和(自身を除く): 45654576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 90583, 181166, 271749, 362332, 452915, 543498, 724664, 905830, 1086996, 1358745, 1449328, 1811660, 2173992, 2717490, 3623320, 4347984, 5434980, 7246640, 10869960, 21739920]

約数ペア:

[(1, 21739920), (2, 10869960), (3, 7246640), (4, 5434980), (5, 4347984), (6, 3623320), (8, 2717490), (10, 2173992), (12, 1811660), (15, 1449328), (16, 1358745), (20, 1086996), (24, 905830), (30, 724664), (40, 543498), (48, 452915), (60, 362332), (80, 271749), (120, 181166), (240, 90583)]