21479194

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 17820710

約数列:

[1, 2, 11, 17, 22, 23, 34, 46, 121, 187, 227, 242, 253, 374, 391, 454, 506, 782, 2057, 2497, 2783, 3859, 4114, 4301, 4994, 5221, 5566, 7718, 8602, 10442, 27467, 42449, 47311, 54934, 57431, 84898, 88757, 94622, 114862, 177514, 466939, 631741, 933878, 976327, 1263482, 1952654, 10739597, 21479194]

約数ペア:

[(1, 21479194), (2, 10739597), (11, 1952654), (17, 1263482), (22, 976327), (23, 933878), (34, 631741), (46, 466939), (121, 177514), (187, 114862), (227, 94622), (242, 88757), (253, 84898), (374, 57431), (391, 54934), (454, 47311), (506, 42449), (782, 27467), (2057, 10442), (2497, 8602), (2783, 7718), (3859, 5566), (4114, 5221), (4301, 4994)]