21031350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{941}}^1$

素因数の和:1105

約数の個数: 48

約数和(自身を含む): 52563600

約数和(自身を除く): 31532250

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 149, 150, 298, 447, 745, 894, 941, 1490, 1882, 2235, 2823, 3725, 4470, 4705, 5646, 7450, 9410, 11175, 14115, 22350, 23525, 28230, 47050, 70575, 140209, 141150, 280418, 420627, 701045, 841254, 1402090, 2103135, 3505225, 4206270, 7010450, 10515675, 21031350]

約数ペア:

[(1, 21031350), (2, 10515675), (3, 7010450), (5, 4206270), (6, 3505225), (10, 2103135), (15, 1402090), (25, 841254), (30, 701045), (50, 420627), (75, 280418), (149, 141150), (150, 140209), (298, 70575), (447, 47050), (745, 28230), (894, 23525), (941, 22350), (1490, 14115), (1882, 11175), (2235, 9410), (2823, 7450), (3725, 5646), (4470, 4705)]