210340221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 364277760

約数和(自身を除く): 153937539

約数列:

[1, 3, 7, 13, 21, 23, 39, 69, 91, 139, 161, 241, 273, 299, 417, 483, 723, 897, 973, 1687, 1807, 2093, 2919, 3133, 3197, 5061, 5421, 5543, 6279, 9399, 9591, 12649, 16629, 21931, 22379, 33499, 37947, 38801, 41561, 65793, 67137, 72059, 100497, 116403, 124683, 216177, 234493, 290927, 435487, 504413, 703479, 770477, 872781, 1306461, 1513239, 2311431, 3048409, 5393339, 9145227, 10016201, 16180017, 30048603, 70113407, 210340221]

約数ペア:

[(1, 210340221), (3, 70113407), (7, 30048603), (13, 16180017), (21, 10016201), (23, 9145227), (39, 5393339), (69, 3048409), (91, 2311431), (139, 1513239), (161, 1306461), (241, 872781), (273, 770477), (299, 703479), (417, 504413), (483, 435487), (723, 290927), (897, 234493), (973, 216177), (1687, 124683), (1807, 116403), (2093, 100497), (2919, 72059), (3133, 67137), (3197, 65793), (5061, 41561), (5421, 38801), (5543, 37947), (6279, 33499), (9399, 22379), (9591, 21931), (12649, 16629)]