212905308

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{20947}}^1$

素因数の和:20983

約数の個数: 72

約数和(自身を含む): 624082816

約数和(自身を除く): 411177508

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2541, 3388, 5082, 10164, 20947, 41894, 62841, 83788, 125682, 146629, 230417, 251364, 293258, 439887, 460834, 586516, 691251, 879774, 921668, 1382502, 1612919, 1759548, 2534587, 2765004, 3225838, 4838757, 5069174, 6451676, 7603761, 9677514, 10138348, 15207522, 17742109, 19355028, 30415044, 35484218, 53226327, 70968436, 106452654, 212905308]

約数ペア:

[(1, 212905308), (2, 106452654), (3, 70968436), (4, 53226327), (6, 35484218), (7, 30415044), (11, 19355028), (12, 17742109), (14, 15207522), (21, 10138348), (22, 9677514), (28, 7603761), (33, 6451676), (42, 5069174), (44, 4838757), (66, 3225838), (77, 2765004), (84, 2534587), (121, 1759548), (132, 1612919), (154, 1382502), (231, 921668), (242, 879774), (308, 691251), (363, 586516), (462, 460834), (484, 439887), (726, 293258), (847, 251364), (924, 230417), (1452, 146629), (1694, 125682), (2541, 83788), (3388, 62841), (5082, 41894), (10164, 20947)]