21229884

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15121}}^1$

素因数の和:15147

約数の個数: 48

約数和(自身を含む): 59278240

約数和(自身を除く): 38048356

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15121, 30242, 45363, 60484, 90726, 136089, 181452, 196573, 272178, 393146, 408267, 544356, 589719, 786292, 816534, 1179438, 1633068, 1769157, 2358876, 3538314, 5307471, 7076628, 10614942, 21229884]

約数ペア:

[(1, 21229884), (2, 10614942), (3, 7076628), (4, 5307471), (6, 3538314), (9, 2358876), (12, 1769157), (13, 1633068), (18, 1179438), (26, 816534), (27, 786292), (36, 589719), (39, 544356), (52, 408267), (54, 393146), (78, 272178), (108, 196573), (117, 181452), (156, 136089), (234, 90726), (351, 60484), (468, 45363), (702, 30242), (1404, 15121)]