21436935

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2339}}^1$

素因数の和:2407

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 16302585

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 2339, 3055, 7017, 9165, 11695, 30407, 35085, 91221, 109933, 152035, 329799, 456105, 549665, 1429129, 1648995, 4287387, 7145645, 21436935]

約数ペア:

[(1, 21436935), (3, 7145645), (5, 4287387), (13, 1648995), (15, 1429129), (39, 549665), (47, 456105), (65, 329799), (141, 152035), (195, 109933), (235, 91221), (611, 35085), (705, 30407), (1833, 11695), (2339, 9165), (3055, 7017)]