21700130

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:530

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 18748894

約数列:

[1, 2, 5, 10, 37, 74, 185, 223, 263, 370, 446, 526, 1115, 1315, 2230, 2630, 8251, 9731, 16502, 19462, 41255, 48655, 58649, 82510, 97310, 117298, 293245, 586490, 2170013, 4340026, 10850065, 21700130]

約数ペア:

[(1, 21700130), (2, 10850065), (5, 4340026), (10, 2170013), (37, 586490), (74, 293245), (185, 117298), (223, 97310), (263, 82510), (370, 58649), (446, 48655), (526, 41255), (1115, 19462), (1315, 16502), (2230, 9731), (2630, 8251)]