21470568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{563}}^1$

素因数の和:806

約数の個数: 64

約数和(自身を含む): 61724160

約数和(自身を除く): 40253592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 227, 454, 563, 681, 908, 1126, 1362, 1589, 1689, 1816, 2252, 2724, 3178, 3378, 3941, 4504, 4767, 5448, 6356, 6756, 7882, 9534, 11823, 12712, 13512, 15764, 19068, 23646, 31528, 38136, 47292, 94584, 127801, 255602, 383403, 511204, 766806, 894607, 1022408, 1533612, 1789214, 2683821, 3067224, 3578428, 5367642, 7156856, 10735284, 21470568]

約数ペア:

[(1, 21470568), (2, 10735284), (3, 7156856), (4, 5367642), (6, 3578428), (7, 3067224), (8, 2683821), (12, 1789214), (14, 1533612), (21, 1022408), (24, 894607), (28, 766806), (42, 511204), (56, 383403), (84, 255602), (168, 127801), (227, 94584), (454, 47292), (563, 38136), (681, 31528), (908, 23646), (1126, 19068), (1362, 15764), (1589, 13512), (1689, 12712), (1816, 11823), (2252, 9534), (2724, 7882), (3178, 6756), (3378, 6356), (3941, 5448), (4504, 4767)]