21635042

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{23}}^2$

素因数の和:96

約数の個数: 54

約数和(自身を含む): 40378401

約数和(自身を除く): 18743359

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 121, 143, 169, 242, 253, 286, 299, 338, 506, 529, 598, 1058, 1573, 1859, 2783, 3146, 3289, 3718, 3887, 5566, 5819, 6578, 6877, 7774, 11638, 13754, 20449, 36179, 40898, 42757, 64009, 72358, 75647, 85514, 89401, 128018, 151294, 178802, 470327, 832117, 940654, 983411, 1664234, 1966822, 10817521, 21635042]

約数ペア:

[(1, 21635042), (2, 10817521), (11, 1966822), (13, 1664234), (22, 983411), (23, 940654), (26, 832117), (46, 470327), (121, 178802), (143, 151294), (169, 128018), (242, 89401), (253, 85514), (286, 75647), (299, 72358), (338, 64009), (506, 42757), (529, 40898), (598, 36179), (1058, 20449), (1573, 13754), (1859, 11638), (2783, 7774), (3146, 6877), (3289, 6578), (3718, 5819), (3887, 5566)]