21228216

素因数分解:

$2^3\times 3^1\times {\mathrm{419}}^1\times {\mathrm{2111}}^1$

素因数の和:2539

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 31994184

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 419, 838, 1257, 1676, 2111, 2514, 3352, 4222, 5028, 6333, 8444, 10056, 12666, 16888, 25332, 50664, 884509, 1769018, 2653527, 3538036, 5307054, 7076072, 10614108, 21228216]

約数ペア:

[(1, 21228216), (2, 10614108), (3, 7076072), (4, 5307054), (6, 3538036), (8, 2653527), (12, 1769018), (24, 884509), (419, 50664), (838, 25332), (1257, 16888), (1676, 12666), (2111, 10056), (2514, 8444), (3352, 6333), (4222, 5028)]