21262428

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{53693}}^1$

素因数の和:53714

約数の個数: 36

約数和(自身を含む): 58633848

約数和(自身を除く): 37371420

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 53693, 107386, 161079, 214772, 322158, 483237, 590623, 644316, 966474, 1181246, 1771869, 1932948, 2362492, 3543738, 5315607, 7087476, 10631214, 21262428]

約数ペア:

[(1, 21262428), (2, 10631214), (3, 7087476), (4, 5315607), (6, 3543738), (9, 2362492), (11, 1932948), (12, 1771869), (18, 1181246), (22, 966474), (33, 644316), (36, 590623), (44, 483237), (66, 322158), (99, 214772), (132, 161079), (198, 107386), (396, 53693)]