21185838

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{19949}}^1$

素因数の和:20016

約数の個数: 24

約数和(自身を含む): 46683000

約数和(自身を除く): 25497162

約数列:

[1, 2, 3, 6, 9, 18, 59, 118, 177, 354, 531, 1062, 19949, 39898, 59847, 119694, 179541, 359082, 1176991, 2353982, 3530973, 7061946, 10592919, 21185838]

約数ペア:

[(1, 21185838), (2, 10592919), (3, 7061946), (6, 3530973), (9, 2353982), (18, 1176991), (59, 359082), (118, 179541), (177, 119694), (354, 59847), (531, 39898), (1062, 19949)]