21143688

素因数分解:

$2^3\times 3^1\times {\mathrm{227}}^1\times {\mathrm{3881}}^1$

素因数の和:4117

約数の個数: 32

約数和(自身を含む): 53105760

約数和(自身を除く): 31962072

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 227, 454, 681, 908, 1362, 1816, 2724, 3881, 5448, 7762, 11643, 15524, 23286, 31048, 46572, 93144, 880987, 1761974, 2642961, 3523948, 5285922, 7047896, 10571844, 21143688]

約数ペア:

[(1, 21143688), (2, 10571844), (3, 7047896), (4, 5285922), (6, 3523948), (8, 2642961), (12, 1761974), (24, 880987), (227, 93144), (454, 46572), (681, 31048), (908, 23286), (1362, 15524), (1816, 11643), (2724, 7762), (3881, 5448)]