21000984026

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{153151}}^1$

素因数の和:153458

約数の個数: 32

約数和(自身を含む): 35991945216

約数和(自身を除く): 14990961190

約数列:

[1, 2, 11, 22, 23, 46, 253, 271, 506, 542, 2981, 5962, 6233, 12466, 68563, 137126, 153151, 306302, 1684661, 3369322, 3522473, 7044946, 38747203, 41503921, 77494406, 83007842, 456543131, 913086262, 954590183, 1909180366, 10500492013, 21000984026]

約数ペア:

[(1, 21000984026), (2, 10500492013), (11, 1909180366), (22, 954590183), (23, 913086262), (46, 456543131), (253, 83007842), (271, 77494406), (506, 41503921), (542, 38747203), (2981, 7044946), (5962, 3522473), (6233, 3369322), (12466, 1684661), (68563, 306302), (137126, 153151)]