21631284

素因数分解:

$2^2\times 3^2\times {\mathrm{227}}^1\times {\mathrm{2647}}^1$

素因数の和:2884

約数の個数: 36

約数和(自身を含む): 54940704

約数和(自身を除く): 33309420

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 227, 454, 681, 908, 1362, 2043, 2647, 2724, 4086, 5294, 7941, 8172, 10588, 15882, 23823, 31764, 47646, 95292, 600869, 1201738, 1802607, 2403476, 3605214, 5407821, 7210428, 10815642, 21631284]

約数ペア:

[(1, 21631284), (2, 10815642), (3, 7210428), (4, 5407821), (6, 3605214), (9, 2403476), (12, 1802607), (18, 1201738), (36, 600869), (227, 95292), (454, 47646), (681, 31764), (908, 23823), (1362, 15882), (2043, 10588), (2647, 8172), (2724, 7941), (4086, 5294)]