21313194318

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1247699}}^1$

素因数の和:1247793

約数の個数: 48

約数和(自身を含む): 50412070800

約数和(自身を除く): 29098876482

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 73, 78, 117, 146, 219, 234, 438, 657, 949, 1314, 1898, 2847, 5694, 8541, 17082, 1247699, 2495398, 3743097, 7486194, 11229291, 16220087, 22458582, 32440174, 48660261, 91082027, 97320522, 145980783, 182164054, 273246081, 291961566, 546492162, 819738243, 1184066351, 1639476486, 2368132702, 3552199053, 7104398106, 10656597159, 21313194318]

約数ペア:

[(1, 21313194318), (2, 10656597159), (3, 7104398106), (6, 3552199053), (9, 2368132702), (13, 1639476486), (18, 1184066351), (26, 819738243), (39, 546492162), (73, 291961566), (78, 273246081), (117, 182164054), (146, 145980783), (219, 97320522), (234, 91082027), (438, 48660261), (657, 32440174), (949, 22458582), (1314, 16220087), (1898, 11229291), (2847, 7486194), (5694, 3743097), (8541, 2495398), (17082, 1247699)]