21760436

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{283}}^1\times {\mathrm{409}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 39123840

約数和(自身を除く): 17363404

約数列:

[1, 2, 4, 47, 94, 188, 283, 409, 566, 818, 1132, 1636, 13301, 19223, 26602, 38446, 53204, 76892, 115747, 231494, 462988, 5440109, 10880218, 21760436]

約数ペア:

[(1, 21760436), (2, 10880218), (4, 5440109), (47, 462988), (94, 231494), (188, 115747), (283, 76892), (409, 53204), (566, 38446), (818, 26602), (1132, 19223), (1636, 13301)]