21234712

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{229}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 40820400

約数和(自身を除く): 19585688

約数列:

[1, 2, 4, 8, 67, 134, 173, 229, 268, 346, 458, 536, 692, 916, 1384, 1832, 11591, 15343, 23182, 30686, 39617, 46364, 61372, 79234, 92728, 122744, 158468, 316936, 2654339, 5308678, 10617356, 21234712]

約数ペア:

[(1, 21234712), (2, 10617356), (4, 5308678), (8, 2654339), (67, 316936), (134, 158468), (173, 122744), (229, 92728), (268, 79234), (346, 61372), (458, 46364), (536, 39617), (692, 30686), (916, 23182), (1384, 15343), (1832, 11591)]