21862568

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:594

約数の個数: 64

約数和(自身を含む): 51408000

約数和(自身を除く): 29545432

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 59, 91, 104, 118, 182, 236, 364, 413, 472, 509, 728, 767, 826, 1018, 1534, 1652, 2036, 3068, 3304, 3563, 4072, 5369, 6136, 6617, 7126, 10738, 13234, 14252, 21476, 26468, 28504, 30031, 42952, 46319, 52936, 60062, 92638, 120124, 185276, 210217, 240248, 370552, 390403, 420434, 780806, 840868, 1561612, 1681736, 2732821, 3123224, 5465642, 10931284, 21862568]

約数ペア:

[(1, 21862568), (2, 10931284), (4, 5465642), (7, 3123224), (8, 2732821), (13, 1681736), (14, 1561612), (26, 840868), (28, 780806), (52, 420434), (56, 390403), (59, 370552), (91, 240248), (104, 210217), (118, 185276), (182, 120124), (236, 92638), (364, 60062), (413, 52936), (472, 46319), (509, 42952), (728, 30031), (767, 28504), (826, 26468), (1018, 21476), (1534, 14252), (1652, 13234), (2036, 10738), (3068, 7126), (3304, 6617), (3563, 6136), (4072, 5369)]