21471324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{577}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 57485568

約数和(自身を除く): 36014244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 443, 577, 886, 1154, 1329, 1731, 1772, 2308, 2658, 3101, 3462, 4039, 5316, 6202, 6924, 8078, 9303, 12117, 12404, 16156, 18606, 24234, 37212, 48468, 255611, 511222, 766833, 1022444, 1533666, 1789277, 3067332, 3578554, 5367831, 7157108, 10735662, 21471324]

約数ペア:

[(1, 21471324), (2, 10735662), (3, 7157108), (4, 5367831), (6, 3578554), (7, 3067332), (12, 1789277), (14, 1533666), (21, 1022444), (28, 766833), (42, 511222), (84, 255611), (443, 48468), (577, 37212), (886, 24234), (1154, 18606), (1329, 16156), (1731, 12404), (1772, 12117), (2308, 9303), (2658, 8078), (3101, 6924), (3462, 6202), (4039, 5316)]