21063894

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4297}}^1$

素因数の和:4364

約数の個数: 32

約数和(自身を含む): 45386880

約数和(自身を除く): 24322986

約数列:

[1, 2, 3, 6, 19, 38, 43, 57, 86, 114, 129, 258, 817, 1634, 2451, 4297, 4902, 8594, 12891, 25782, 81643, 163286, 184771, 244929, 369542, 489858, 554313, 1108626, 3510649, 7021298, 10531947, 21063894]

約数ペア:

[(1, 21063894), (2, 10531947), (3, 7021298), (6, 3510649), (19, 1108626), (38, 554313), (43, 489858), (57, 369542), (86, 244929), (114, 184771), (129, 163286), (258, 81643), (817, 25782), (1634, 12891), (2451, 8594), (4297, 4902)]