21849365629

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{20047}}^1$

素因数の和:20162

約数の個数: 48

約数和(自身を含む): 28796947200

約数和(自身を除く): 6947581571

約数列:

[1, 7, 13, 29, 49, 59, 91, 203, 377, 413, 637, 767, 1421, 1711, 2639, 2891, 5369, 11977, 18473, 20047, 22243, 37583, 83839, 140329, 155701, 260611, 581363, 982303, 1089907, 1182773, 1824277, 4069541, 7557719, 8279411, 12769939, 15376049, 28486787, 34300417, 52904033, 57955877, 107632343, 240102919, 370328231, 445905421, 753426401, 1680720433, 3121337947, 21849365629]

約数ペア:

[(1, 21849365629), (7, 3121337947), (13, 1680720433), (29, 753426401), (49, 445905421), (59, 370328231), (91, 240102919), (203, 107632343), (377, 57955877), (413, 52904033), (637, 34300417), (767, 28486787), (1421, 15376049), (1711, 12769939), (2639, 8279411), (2891, 7557719), (5369, 4069541), (11977, 1824277), (18473, 1182773), (20047, 1089907), (22243, 982303), (37583, 581363), (83839, 260611), (140329, 155701)]