21758572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1531}}^1$

素因数の和:1582

約数の個数: 48

約数和(自身を含む): 46327680

約数和(自身を除く): 24569108

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1531, 3062, 3553, 6124, 7106, 14212, 16841, 26027, 29089, 33682, 52054, 58178, 67364, 104108, 116356, 286297, 319979, 494513, 572594, 639958, 989026, 1145188, 1279916, 1978052, 5439643, 10879286, 21758572]

約数ペア:

[(1, 21758572), (2, 10879286), (4, 5439643), (11, 1978052), (17, 1279916), (19, 1145188), (22, 989026), (34, 639958), (38, 572594), (44, 494513), (68, 319979), (76, 286297), (187, 116356), (209, 104108), (323, 67364), (374, 58178), (418, 52054), (646, 33682), (748, 29089), (836, 26027), (1292, 16841), (1531, 14212), (3062, 7106), (3553, 6124)]