21230520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176921}}^1$

素因数の和:176935

約数の個数: 32

約数和(自身を含む): 63691920

約数和(自身を除く): 42461400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176921, 353842, 530763, 707684, 884605, 1061526, 1415368, 1769210, 2123052, 2653815, 3538420, 4246104, 5307630, 7076840, 10615260, 21230520]

約数ペア:

[(1, 21230520), (2, 10615260), (3, 7076840), (4, 5307630), (5, 4246104), (6, 3538420), (8, 2653815), (10, 2123052), (12, 1769210), (15, 1415368), (20, 1061526), (24, 884605), (30, 707684), (40, 530763), (60, 353842), (120, 176921)]