21225088

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{2099}}^1$

素因数の和:2192

約数の個数: 32

約数和(自身を含む): 42840000

約数和(自身を除く): 21614912

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2099, 2528, 4198, 5056, 8396, 10112, 16792, 33584, 67168, 134336, 165821, 268672, 331642, 663284, 1326568, 2653136, 5306272, 10612544, 21225088]

約数ペア:

[(1, 21225088), (2, 10612544), (4, 5306272), (8, 2653136), (16, 1326568), (32, 663284), (64, 331642), (79, 268672), (128, 165821), (158, 134336), (316, 67168), (632, 33584), (1264, 16792), (2099, 10112), (2528, 8396), (4198, 5056)]