21429252

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15263}}^1$

素因数の和:15289

約数の個数: 48

約数和(自身を含む): 59834880

約数和(自身を除く): 38405628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15263, 30526, 45789, 61052, 91578, 137367, 183156, 198419, 274734, 396838, 412101, 549468, 595257, 793676, 824202, 1190514, 1648404, 1785771, 2381028, 3571542, 5357313, 7143084, 10714626, 21429252]

約数ペア:

[(1, 21429252), (2, 10714626), (3, 7143084), (4, 5357313), (6, 3571542), (9, 2381028), (12, 1785771), (13, 1648404), (18, 1190514), (26, 824202), (27, 793676), (36, 595257), (39, 549468), (52, 412101), (54, 396838), (78, 274734), (108, 198419), (117, 183156), (156, 137367), (234, 91578), (351, 61052), (468, 45789), (702, 30526), (1404, 15263)]