21793816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{1091}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 44815680

約数和(自身を除く): 23021864

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 227, 454, 908, 1091, 1816, 2182, 2497, 4364, 4994, 8728, 9988, 12001, 19976, 24002, 48004, 96008, 247657, 495314, 990628, 1981256, 2724227, 5448454, 10896908, 21793816]

約数ペア:

[(1, 21793816), (2, 10896908), (4, 5448454), (8, 2724227), (11, 1981256), (22, 990628), (44, 495314), (88, 247657), (227, 96008), (454, 48004), (908, 24002), (1091, 19976), (1816, 12001), (2182, 9988), (2497, 8728), (4364, 4994)]