21514098625

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{108179}}^1$

素因数の和:108274

約数の個数: 32

約数和(自身を含む): 28216805760

約数和(自身を除く): 6702707135

約数列:

[1, 5, 25, 37, 43, 125, 185, 215, 925, 1075, 1591, 4625, 5375, 7955, 39775, 108179, 198875, 540895, 2704475, 4002623, 4651697, 13522375, 20013115, 23258485, 100065575, 116292425, 172112789, 500327875, 581462125, 860563945, 4302819725, 21514098625]

約数ペア:

[(1, 21514098625), (5, 4302819725), (25, 860563945), (37, 581462125), (43, 500327875), (125, 172112789), (185, 116292425), (215, 100065575), (925, 23258485), (1075, 20013115), (1591, 13522375), (4625, 4651697), (5375, 4002623), (7955, 2704475), (39775, 540895), (108179, 198875)]