21998154

素因数分解:

$2^1\times 3^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 44964864

約数和(自身を除く): 22966710

約数列:

[1, 2, 3, 6, 83, 163, 166, 249, 271, 326, 489, 498, 542, 813, 978, 1626, 13529, 22493, 27058, 40587, 44173, 44986, 67479, 81174, 88346, 132519, 134958, 265038, 3666359, 7332718, 10999077, 21998154]

約数ペア:

[(1, 21998154), (2, 10999077), (3, 7332718), (6, 3666359), (83, 265038), (163, 134958), (166, 132519), (249, 88346), (271, 81174), (326, 67479), (489, 44986), (498, 44173), (542, 40587), (813, 27058), (978, 22493), (1626, 13529)]