21851817

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1433}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 34691328

約数和(自身を除く): 12839511

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 1433, 4299, 5083, 15249, 18629, 24361, 32959, 55887, 73083, 98877, 316693, 428467, 560303, 950079, 1285401, 1680909, 7283939, 21851817]

約数ペア:

[(1, 21851817), (3, 7283939), (13, 1680909), (17, 1285401), (23, 950079), (39, 560303), (51, 428467), (69, 316693), (221, 98877), (299, 73083), (391, 55887), (663, 32959), (897, 24361), (1173, 18629), (1433, 15249), (4299, 5083)]