21167116330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1\times {\mathrm{4723}}^1$

素因数の和:5431

約数の個数: 64

約数和(自身を含む): 41399019648

約数和(自身を除く): 20231903318

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 643, 697, 1286, 1394, 3215, 3485, 4723, 6430, 6970, 9446, 10931, 21862, 23615, 26363, 47230, 52726, 54655, 80291, 109310, 131815, 160582, 193643, 263630, 387286, 401455, 448171, 802910, 896342, 968215, 1936430, 2240855, 3036889, 3291931, 4481710, 6073778, 6583862, 15184445, 16459655, 30368890, 32919310, 51627113, 103254226, 124512449, 249024898, 258135565, 516271130, 622562245, 1245124490, 2116711633, 4233423266, 10583558165, 21167116330]

約数ペア:

[(1, 21167116330), (2, 10583558165), (5, 4233423266), (10, 2116711633), (17, 1245124490), (34, 622562245), (41, 516271130), (82, 258135565), (85, 249024898), (170, 124512449), (205, 103254226), (410, 51627113), (643, 32919310), (697, 30368890), (1286, 16459655), (1394, 15184445), (3215, 6583862), (3485, 6073778), (4723, 4481710), (6430, 3291931), (6970, 3036889), (9446, 2240855), (10931, 1936430), (21862, 968215), (23615, 896342), (26363, 802910), (47230, 448171), (52726, 401455), (54655, 387286), (80291, 263630), (109310, 193643), (131815, 160582)]