21761748

素因数分解:

$2^2\times 3^2\times {\mathrm{149}}^1\times {\mathrm{4057}}^1$

素因数の和:4216

約数の個数: 36

約数和(自身を含む): 55391700

約数和(自身を除く): 33629952

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 149, 298, 447, 596, 894, 1341, 1788, 2682, 4057, 5364, 8114, 12171, 16228, 24342, 36513, 48684, 73026, 146052, 604493, 1208986, 1813479, 2417972, 3626958, 5440437, 7253916, 10880874, 21761748]

約数ペア:

[(1, 21761748), (2, 10880874), (3, 7253916), (4, 5440437), (6, 3626958), (9, 2417972), (12, 1813479), (18, 1208986), (36, 604493), (149, 146052), (298, 73026), (447, 48684), (596, 36513), (894, 24342), (1341, 16228), (1788, 12171), (2682, 8114), (4057, 5364)]