21565926

素因数分解:

$2^1\times 3^4\times {\mathrm{239}}^1\times {\mathrm{557}}^1$

素因数の和:810

約数の個数: 40

約数和(自身を含む): 48612960

約数和(自身を除く): 27047034

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 239, 478, 557, 717, 1114, 1434, 1671, 2151, 3342, 4302, 5013, 6453, 10026, 12906, 15039, 19359, 30078, 38718, 45117, 90234, 133123, 266246, 399369, 798738, 1198107, 2396214, 3594321, 7188642, 10782963, 21565926]

約数ペア:

[(1, 21565926), (2, 10782963), (3, 7188642), (6, 3594321), (9, 2396214), (18, 1198107), (27, 798738), (54, 399369), (81, 266246), (162, 133123), (239, 90234), (478, 45117), (557, 38718), (717, 30078), (1114, 19359), (1434, 15039), (1671, 12906), (2151, 10026), (3342, 6453), (4302, 5013)]