21645136

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{46649}}^1$

素因数の和:46686

約数の個数: 20

約数和(自身を含む): 43384500

約数和(自身を除く): 21739364

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 46649, 93298, 186596, 373192, 746384, 1352821, 2705642, 5411284, 10822568, 21645136]

約数ペア:

[(1, 21645136), (2, 10822568), (4, 5411284), (8, 2705642), (16, 1352821), (29, 746384), (58, 373192), (116, 186596), (232, 93298), (464, 46649)]