21967587

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4951}}^1$

素因数の和:5003

約数の個数: 24

約数和(自身を含む): 34763040

約数和(自身を除く): 12795453

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 4951, 14853, 44559, 84167, 143579, 252501, 430737, 757503, 1292211, 2440843, 7322529, 21967587]

約数ペア:

[(1, 21967587), (3, 7322529), (9, 2440843), (17, 1292211), (29, 757503), (51, 430737), (87, 252501), (153, 143579), (261, 84167), (493, 44559), (1479, 14853), (4437, 4951)]