21816570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{8171}}^1$

素因数の和:8270

約数の個数: 32

約数和(自身を含む): 52954560

約数和(自身を除く): 31137990

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 8171, 16342, 24513, 40855, 49026, 81710, 122565, 245130, 727219, 1454438, 2181657, 3636095, 4363314, 7272190, 10908285, 21816570]

約数ペア:

[(1, 21816570), (2, 10908285), (3, 7272190), (5, 4363314), (6, 3636095), (10, 2181657), (15, 1454438), (30, 727219), (89, 245130), (178, 122565), (267, 81710), (445, 49026), (534, 40855), (890, 24513), (1335, 16342), (2670, 8171)]