21856068

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{5189}}^1$

素因数の和:5218

約数の個数: 60

約数和(自身を含む): 61543020

約数和(自身を除く): 39686952

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 5189, 10378, 15567, 20756, 31134, 46701, 62268, 67457, 93402, 134914, 140103, 186804, 202371, 269828, 280206, 404742, 420309, 560412, 607113, 809484, 840618, 1214226, 1681236, 1821339, 2428452, 3642678, 5464017, 7285356, 10928034, 21856068]

約数ペア:

[(1, 21856068), (2, 10928034), (3, 7285356), (4, 5464017), (6, 3642678), (9, 2428452), (12, 1821339), (13, 1681236), (18, 1214226), (26, 840618), (27, 809484), (36, 607113), (39, 560412), (52, 420309), (54, 404742), (78, 280206), (81, 269828), (108, 202371), (117, 186804), (156, 140103), (162, 134914), (234, 93402), (324, 67457), (351, 62268), (468, 46701), (702, 31134), (1053, 20756), (1404, 15567), (2106, 10378), (4212, 5189)]