213213798

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{241739}}^1$

素因数の和:241761

約数の個数: 36

約数和(自身を含む): 537388020

約数和(自身を除く): 324174222

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 441, 882, 241739, 483478, 725217, 1450434, 1692173, 2175651, 3384346, 4351302, 5076519, 10153038, 11845211, 15229557, 23690422, 30459114, 35535633, 71071266, 106606899, 213213798]

約数ペア:

[(1, 213213798), (2, 106606899), (3, 71071266), (6, 35535633), (7, 30459114), (9, 23690422), (14, 15229557), (18, 11845211), (21, 10153038), (42, 5076519), (49, 4351302), (63, 3384346), (98, 2175651), (126, 1692173), (147, 1450434), (294, 725217), (441, 483478), (882, 241739)]