21413546

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{659}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 40296960

約数和(自身を除く): 18883414

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 211, 422, 659, 1318, 1477, 2321, 2954, 4613, 4642, 7249, 9226, 14498, 16247, 32494, 50743, 101486, 139049, 278098, 973343, 1529539, 1946686, 3059078, 10706773, 21413546]

約数ペア:

[(1, 21413546), (2, 10706773), (7, 3059078), (11, 1946686), (14, 1529539), (22, 973343), (77, 278098), (154, 139049), (211, 101486), (422, 50743), (659, 32494), (1318, 16247), (1477, 14498), (2321, 9226), (2954, 7249), (4613, 4642)]