21738376

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 47473020

約数和(自身を除く): 25734644

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 484, 748, 968, 1321, 1496, 2057, 2642, 4114, 5284, 8228, 10568, 14531, 16456, 22457, 29062, 44914, 58124, 89828, 116248, 159841, 179656, 247027, 319682, 494054, 639364, 988108, 1278728, 1976216, 2717297, 5434594, 10869188, 21738376]

約数ペア:

[(1, 21738376), (2, 10869188), (4, 5434594), (8, 2717297), (11, 1976216), (17, 1278728), (22, 988108), (34, 639364), (44, 494054), (68, 319682), (88, 247027), (121, 179656), (136, 159841), (187, 116248), (242, 89828), (374, 58124), (484, 44914), (748, 29062), (968, 22457), (1321, 16456), (1496, 14531), (2057, 10568), (2642, 8228), (4114, 5284)]