21537103653

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{131203}}^1$

素因数の和:131306

約数の個数: 48

約数和(自身を含む): 35532142464

約数和(自身を除く): 13995038811

約数列:

[1, 3, 9, 13, 23, 39, 61, 69, 117, 183, 207, 299, 549, 793, 897, 1403, 2379, 2691, 4209, 7137, 12627, 18239, 54717, 131203, 164151, 393609, 1180827, 1705639, 3017669, 5116917, 8003383, 9053007, 15350751, 24010149, 27159021, 39229697, 72030447, 104043979, 117689091, 184077809, 312131937, 353067273, 552233427, 936395811, 1656700281, 2393011517, 7179034551, 21537103653]

約数ペア:

[(1, 21537103653), (3, 7179034551), (9, 2393011517), (13, 1656700281), (23, 936395811), (39, 552233427), (61, 353067273), (69, 312131937), (117, 184077809), (183, 117689091), (207, 104043979), (299, 72030447), (549, 39229697), (793, 27159021), (897, 24010149), (1403, 15350751), (2379, 9053007), (2691, 8003383), (4209, 5116917), (7137, 3017669), (12627, 1705639), (18239, 1180827), (54717, 393609), (131203, 164151)]