21955833

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 33782400

約数和(自身を除く): 11826567

約数列:

[1, 3, 9, 27, 53, 67, 159, 201, 229, 477, 603, 687, 1431, 1809, 2061, 3551, 6183, 10653, 12137, 15343, 31959, 36411, 46029, 95877, 109233, 138087, 327699, 414261, 813179, 2439537, 7318611, 21955833]

約数ペア:

[(1, 21955833), (3, 7318611), (9, 2439537), (27, 813179), (53, 414261), (67, 327699), (159, 138087), (201, 109233), (229, 95877), (477, 46029), (603, 36411), (687, 31959), (1431, 15343), (1809, 12137), (2061, 10653), (3551, 6183)]