21836178

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13331}}^1$

素因数の和:13359

約数の個数: 48

約数和(自身を含む): 58234176

約数和(自身を除く): 36397998

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 13331, 26662, 39993, 79986, 93317, 119979, 173303, 186634, 239958, 279951, 346606, 519909, 559902, 839853, 1039818, 1213121, 1559727, 1679706, 2426242, 3119454, 3639363, 7278726, 10918089, 21836178]

約数ペア:

[(1, 21836178), (2, 10918089), (3, 7278726), (6, 3639363), (7, 3119454), (9, 2426242), (13, 1679706), (14, 1559727), (18, 1213121), (21, 1039818), (26, 839853), (39, 559902), (42, 519909), (63, 346606), (78, 279951), (91, 239958), (117, 186634), (126, 173303), (182, 119979), (234, 93317), (273, 79986), (546, 39993), (819, 26662), (1638, 13331)]