21759045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18839}}^1$

素因数の和:18865

約数の個数: 32

約数和(自身を含む): 43407360

約数和(自身を除く): 21648315

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18839, 56517, 94195, 131873, 207229, 282585, 395619, 621687, 659365, 1036145, 1450603, 1978095, 3108435, 4351809, 7253015, 21759045]

約数ペア:

[(1, 21759045), (3, 7253015), (5, 4351809), (7, 3108435), (11, 1978095), (15, 1450603), (21, 1036145), (33, 659365), (35, 621687), (55, 395619), (77, 282585), (105, 207229), (165, 131873), (231, 94195), (385, 56517), (1155, 18839)]