21741928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11003}}^1$

素因数の和:11041

約数の個数: 32

約数和(自身を含む): 46216800

約数和(自身を除く): 24474872

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 11003, 22006, 44012, 88024, 143039, 209057, 286078, 418114, 572156, 836228, 1144312, 1672456, 2717741, 5435482, 10870964, 21741928]

約数ペア:

[(1, 21741928), (2, 10870964), (4, 5435482), (8, 2717741), (13, 1672456), (19, 1144312), (26, 836228), (38, 572156), (52, 418114), (76, 286078), (104, 209057), (152, 143039), (247, 88024), (494, 44012), (988, 22006), (1976, 11003)]