21903685190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4156297}}^1$

素因数の和:4156352

約数の個数: 32

約数和(自身を含む): 43092497664

約数和(自身を除く): 21188812474

約数列:

[1, 2, 5, 10, 17, 31, 34, 62, 85, 155, 170, 310, 527, 1054, 2635, 5270, 4156297, 8312594, 20781485, 41562970, 70657049, 128845207, 141314098, 257690414, 353285245, 644226035, 706570490, 1288452070, 2190368519, 4380737038, 10951842595, 21903685190]

約数ペア:

[(1, 21903685190), (2, 10951842595), (5, 4380737038), (10, 2190368519), (17, 1288452070), (31, 706570490), (34, 644226035), (62, 353285245), (85, 257690414), (155, 141314098), (170, 128845207), (310, 70657049), (527, 41562970), (1054, 20781485), (2635, 8312594), (5270, 4156297)]