21104536

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{733}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 40957200

約数和(自身を除く): 19852664

約数列:

[1, 2, 4, 8, 59, 61, 118, 122, 236, 244, 472, 488, 733, 1466, 2932, 3599, 5864, 7198, 14396, 28792, 43247, 44713, 86494, 89426, 172988, 178852, 345976, 357704, 2638067, 5276134, 10552268, 21104536]

約数ペア:

[(1, 21104536), (2, 10552268), (4, 5276134), (8, 2638067), (59, 357704), (61, 345976), (118, 178852), (122, 172988), (236, 89426), (244, 86494), (472, 44713), (488, 43247), (733, 28792), (1466, 14396), (2932, 7198), (3599, 5864)]