21408170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13297}}^1$

素因数の和:13334

約数の個数: 32

約数和(自身を含む): 45957888

約数和(自身を除く): 24549718

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13297, 26594, 66485, 93079, 132970, 186158, 305831, 465395, 611662, 930790, 1529155, 2140817, 3058310, 4281634, 10704085, 21408170]

約数ペア:

[(1, 21408170), (2, 10704085), (5, 4281634), (7, 3058310), (10, 2140817), (14, 1529155), (23, 930790), (35, 611662), (46, 465395), (70, 305831), (115, 186158), (161, 132970), (230, 93079), (322, 66485), (805, 26594), (1610, 13297)]