21366310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{577}}^1$

素因数の和:637

約数の個数: 48

約数和(自身を含む): 46027296

約数和(自身を除く): 24660986

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 529, 577, 805, 1058, 1154, 1610, 2645, 2885, 3703, 4039, 5290, 5770, 7406, 8078, 13271, 18515, 20195, 26542, 37030, 40390, 66355, 92897, 132710, 185794, 305233, 464485, 610466, 928970, 1526165, 2136631, 3052330, 4273262, 10683155, 21366310]

約数ペア:

[(1, 21366310), (2, 10683155), (5, 4273262), (7, 3052330), (10, 2136631), (14, 1526165), (23, 928970), (35, 610466), (46, 464485), (70, 305233), (115, 185794), (161, 132710), (230, 92897), (322, 66355), (529, 40390), (577, 37030), (805, 26542), (1058, 20195), (1154, 18515), (1610, 13271), (2645, 8078), (2885, 7406), (3703, 5770), (4039, 5290)]