21052948

素因数分解:

$2^2\times 7^2\times {\mathrm{233}}^1\times {\mathrm{461}}^1$

素因数の和:712

約数の個数: 36

約数和(自身を含む): 43135092

約数和(自身を除く): 22082144

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 233, 461, 466, 922, 932, 1631, 1844, 3227, 3262, 6454, 6524, 11417, 12908, 22589, 22834, 45178, 45668, 90356, 107413, 214826, 429652, 751891, 1503782, 3007564, 5263237, 10526474, 21052948]

約数ペア:

[(1, 21052948), (2, 10526474), (4, 5263237), (7, 3007564), (14, 1503782), (28, 751891), (49, 429652), (98, 214826), (196, 107413), (233, 90356), (461, 45668), (466, 45178), (922, 22834), (932, 22589), (1631, 12908), (1844, 11417), (3227, 6524), (3262, 6454)]