21102765

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 14355795

約数列:

[1, 3, 5, 15, 37, 47, 111, 141, 185, 235, 555, 705, 809, 1739, 2427, 4045, 5217, 8695, 12135, 26085, 29933, 38023, 89799, 114069, 149665, 190115, 448995, 570345, 1406851, 4220553, 7034255, 21102765]

約数ペア:

[(1, 21102765), (3, 7034255), (5, 4220553), (15, 1406851), (37, 570345), (47, 448995), (111, 190115), (141, 149665), (185, 114069), (235, 89799), (555, 38023), (705, 29933), (809, 26085), (1739, 12135), (2427, 8695), (4045, 5217)]