21616348

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{10139}}^1$

素因数の和:10197

約数の個数: 24

約数和(自身を含む): 41736240

約数和(自身を除く): 20119892

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 10139, 20278, 40556, 131807, 263614, 415699, 527228, 831398, 1662796, 5404087, 10808174, 21616348]

約数ペア:

[(1, 21616348), (2, 10808174), (4, 5404087), (13, 1662796), (26, 831398), (41, 527228), (52, 415699), (82, 263614), (164, 131807), (533, 40556), (1066, 20278), (2132, 10139)]