21053628

素因数分解:

$2^2\times 3^3\times {\mathrm{151}}^1\times {\mathrm{1291}}^1$

素因数の和:1455

約数の個数: 48

約数和(自身を含む): 54987520

約数和(自身を除く): 33933892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 151, 302, 453, 604, 906, 1291, 1359, 1812, 2582, 2718, 3873, 4077, 5164, 5436, 7746, 8154, 11619, 15492, 16308, 23238, 34857, 46476, 69714, 139428, 194941, 389882, 584823, 779764, 1169646, 1754469, 2339292, 3508938, 5263407, 7017876, 10526814, 21053628]

約数ペア:

[(1, 21053628), (2, 10526814), (3, 7017876), (4, 5263407), (6, 3508938), (9, 2339292), (12, 1754469), (18, 1169646), (27, 779764), (36, 584823), (54, 389882), (108, 194941), (151, 139428), (302, 69714), (453, 46476), (604, 34857), (906, 23238), (1291, 16308), (1359, 15492), (1812, 11619), (2582, 8154), (2718, 7746), (3873, 5436), (4077, 5164)]