21232484

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{641}}^1$

素因数の和:685

約数の個数: 54

約数和(自身を含む): 46876914

約数和(自身を除く): 25644430

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 169, 182, 196, 338, 364, 637, 641, 676, 1183, 1274, 1282, 2366, 2548, 2564, 4487, 4732, 8281, 8333, 8974, 16562, 16666, 17948, 31409, 33124, 33332, 58331, 62818, 108329, 116662, 125636, 216658, 233324, 408317, 433316, 758303, 816634, 1516606, 1633268, 3033212, 5308121, 10616242, 21232484]

約数ペア:

[(1, 21232484), (2, 10616242), (4, 5308121), (7, 3033212), (13, 1633268), (14, 1516606), (26, 816634), (28, 758303), (49, 433316), (52, 408317), (91, 233324), (98, 216658), (169, 125636), (182, 116662), (196, 108329), (338, 62818), (364, 58331), (637, 33332), (641, 33124), (676, 31409), (1183, 17948), (1274, 16666), (1282, 16562), (2366, 8974), (2548, 8333), (2564, 8281), (4487, 4732)]