21760810

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:718

約数の個数: 32

約数和(自身を含む): 40689792

約数和(自身を除く): 18928982

約数列:

[1, 2, 5, 10, 37, 74, 103, 185, 206, 370, 515, 571, 1030, 1142, 2855, 3811, 5710, 7622, 19055, 21127, 38110, 42254, 58813, 105635, 117626, 211270, 294065, 588130, 2176081, 4352162, 10880405, 21760810]

約数ペア:

[(1, 21760810), (2, 10880405), (5, 4352162), (10, 2176081), (37, 588130), (74, 294065), (103, 211270), (185, 117626), (206, 105635), (370, 58813), (515, 42254), (571, 38110), (1030, 21127), (1142, 19055), (2855, 7622), (3811, 5710)]