21828456

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23321}}^1$

素因数の和:23346

約数の個数: 48

約数和(自身を含む): 63669060

約数和(自身を除く): 41840604

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 23321, 46642, 69963, 93284, 139926, 186568, 209889, 279852, 303173, 419778, 559704, 606346, 839556, 909519, 1212692, 1679112, 1819038, 2425384, 2728557, 3638076, 5457114, 7276152, 10914228, 21828456]

約数ペア:

[(1, 21828456), (2, 10914228), (3, 7276152), (4, 5457114), (6, 3638076), (8, 2728557), (9, 2425384), (12, 1819038), (13, 1679112), (18, 1212692), (24, 909519), (26, 839556), (36, 606346), (39, 559704), (52, 419778), (72, 303173), (78, 279852), (104, 209889), (117, 186568), (156, 139926), (234, 93284), (312, 69963), (468, 46642), (936, 23321)]