21976648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{571}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 43860960

約数和(自身を除く): 21884312

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 283, 566, 571, 1132, 1142, 2264, 2284, 4568, 4811, 9622, 9707, 19244, 19414, 38488, 38828, 77656, 161593, 323186, 646372, 1292744, 2747081, 5494162, 10988324, 21976648]

約数ペア:

[(1, 21976648), (2, 10988324), (4, 5494162), (8, 2747081), (17, 1292744), (34, 646372), (68, 323186), (136, 161593), (283, 77656), (566, 38828), (571, 38488), (1132, 19414), (1142, 19244), (2264, 9707), (2284, 9622), (4568, 4811)]