21479664

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6679}}^1$

素因数の和:6757

約数の個数: 40

約数和(自身を含む): 56325760

約数和(自身を除く): 34846096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6679, 13358, 20037, 26716, 40074, 53432, 80148, 106864, 160296, 320592, 447493, 894986, 1342479, 1789972, 2684958, 3579944, 5369916, 7159888, 10739832, 21479664]

約数ペア:

[(1, 21479664), (2, 10739832), (3, 7159888), (4, 5369916), (6, 3579944), (8, 2684958), (12, 1789972), (16, 1342479), (24, 894986), (48, 447493), (67, 320592), (134, 160296), (201, 106864), (268, 80148), (402, 53432), (536, 40074), (804, 26716), (1072, 20037), (1608, 13358), (3216, 6679)]