21535852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3023}}^1$

素因数の和:3177

約数の個数: 24

約数和(自身を含む): 40896576

約数和(自身を除く): 19360724

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3023, 3562, 6046, 7124, 12092, 39299, 78598, 157196, 414151, 828302, 1656604, 5383963, 10767926, 21535852]

約数ペア:

[(1, 21535852), (2, 10767926), (4, 5383963), (13, 1656604), (26, 828302), (52, 414151), (137, 157196), (274, 78598), (548, 39299), (1781, 12092), (3023, 7124), (3562, 6046)]