21644116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1153}}^1$

素因数の和:1208

約数の個数: 36

約数和(自身を含む): 43088052

約数和(自身を除く): 21443936

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 722, 988, 1153, 1444, 2306, 4612, 4693, 9386, 14989, 18772, 21907, 29978, 43814, 59956, 87628, 284791, 416233, 569582, 832466, 1139164, 1664932, 5411029, 10822058, 21644116]

約数ペア:

[(1, 21644116), (2, 10822058), (4, 5411029), (13, 1664932), (19, 1139164), (26, 832466), (38, 569582), (52, 416233), (76, 284791), (247, 87628), (361, 59956), (494, 43814), (722, 29978), (988, 21907), (1153, 18772), (1444, 14989), (2306, 9386), (4612, 4693)]