21667035

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4831}}^1$

素因数の和:4875

約数の個数: 32

約数和(自身を含む): 38965248

約数和(自身を除く): 17298213

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4831, 14493, 24155, 62803, 72465, 111113, 188409, 314015, 333339, 555565, 942045, 1444469, 1666695, 4333407, 7222345, 21667035]

約数ペア:

[(1, 21667035), (3, 7222345), (5, 4333407), (13, 1666695), (15, 1444469), (23, 942045), (39, 555565), (65, 333339), (69, 314015), (115, 188409), (195, 111113), (299, 72465), (345, 62803), (897, 24155), (1495, 14493), (4485, 4831)]