21965464

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 42282000

約数和(自身を除く): 20316536

約数列:

[1, 2, 4, 8, 59, 118, 173, 236, 269, 346, 472, 538, 692, 1076, 1384, 2152, 10207, 15871, 20414, 31742, 40828, 46537, 63484, 81656, 93074, 126968, 186148, 372296, 2745683, 5491366, 10982732, 21965464]

約数ペア:

[(1, 21965464), (2, 10982732), (4, 5491366), (8, 2745683), (59, 372296), (118, 186148), (173, 126968), (236, 93074), (269, 81656), (346, 63484), (472, 46537), (538, 40828), (692, 31742), (1076, 20414), (1384, 15871), (2152, 10207)]