21437786

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4153}}^1$

素因数の和:4273

約数の個数: 16

約数和(自身を含む): 33647400

約数和(自身を除く): 12209614

約数列:

[1, 2, 29, 58, 89, 178, 2581, 4153, 5162, 8306, 120437, 240874, 369617, 739234, 10718893, 21437786]

約数ペア:

[(1, 21437786), (2, 10718893), (29, 739234), (58, 369617), (89, 240874), (178, 120437), (2581, 8306), (4153, 5162)]