21098764

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1013}}^1$

素因数の和:1185

約数の個数: 24

約数和(自身を含む): 38158848

約数和(自身を除く): 17060084

約数列:

[1, 2, 4, 41, 82, 127, 164, 254, 508, 1013, 2026, 4052, 5207, 10414, 20828, 41533, 83066, 128651, 166132, 257302, 514604, 5274691, 10549382, 21098764]

約数ペア:

[(1, 21098764), (2, 10549382), (4, 5274691), (41, 514604), (82, 257302), (127, 166132), (164, 128651), (254, 83066), (508, 41533), (1013, 20828), (2026, 10414), (4052, 5207)]