212213484

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{15889}}^1$

素因数の和:15959

約数の個数: 72

約数和(自身を含む): 624667680

約数和(自身を除く): 412454196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 53, 63, 84, 106, 126, 159, 212, 252, 318, 371, 477, 636, 742, 954, 1113, 1484, 1908, 2226, 3339, 4452, 6678, 13356, 15889, 31778, 47667, 63556, 95334, 111223, 143001, 190668, 222446, 286002, 333669, 444892, 572004, 667338, 842117, 1001007, 1334676, 1684234, 2002014, 2526351, 3368468, 4004028, 5052702, 5894819, 7579053, 10105404, 11789638, 15158106, 17684457, 23579276, 30316212, 35368914, 53053371, 70737828, 106106742, 212213484]

約数ペア:

[(1, 212213484), (2, 106106742), (3, 70737828), (4, 53053371), (6, 35368914), (7, 30316212), (9, 23579276), (12, 17684457), (14, 15158106), (18, 11789638), (21, 10105404), (28, 7579053), (36, 5894819), (42, 5052702), (53, 4004028), (63, 3368468), (84, 2526351), (106, 2002014), (126, 1684234), (159, 1334676), (212, 1001007), (252, 842117), (318, 667338), (371, 572004), (477, 444892), (636, 333669), (742, 286002), (954, 222446), (1113, 190668), (1484, 143001), (1908, 111223), (2226, 95334), (3339, 63556), (4452, 47667), (6678, 31778), (13356, 15889)]