21813102

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63781}}^1$

素因数の和:63808

約数の個数: 24

約数和(自身を含む): 49749960

約数和(自身を除く): 27936858

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63781, 127562, 191343, 382686, 574029, 1148058, 1211839, 2423678, 3635517, 7271034, 10906551, 21813102]

約数ペア:

[(1, 21813102), (2, 10906551), (3, 7271034), (6, 3635517), (9, 2423678), (18, 1211839), (19, 1148058), (38, 574029), (57, 382686), (114, 191343), (171, 127562), (342, 63781)]