21459952

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:373

約数の個数: 40

約数和(自身を含む): 42854400

約数和(自身を除く): 21394448

約数列:

[1, 2, 4, 8, 16, 59, 118, 127, 179, 236, 254, 358, 472, 508, 716, 944, 1016, 1432, 2032, 2864, 7493, 10561, 14986, 21122, 22733, 29972, 42244, 45466, 59944, 84488, 90932, 119888, 168976, 181864, 363728, 1341247, 2682494, 5364988, 10729976, 21459952]

約数ペア:

[(1, 21459952), (2, 10729976), (4, 5364988), (8, 2682494), (16, 1341247), (59, 363728), (118, 181864), (127, 168976), (179, 119888), (236, 90932), (254, 84488), (358, 59944), (472, 45466), (508, 42244), (716, 29972), (944, 22733), (1016, 21122), (1432, 14986), (2032, 10561), (2864, 7493)]