21683142

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4877}}^1$

素因数の和:4917

約数の個数: 48

約数和(自身を含む): 53267760

約数和(自身を除く): 31584618

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 4446, 4877, 9754, 14631, 29262, 43893, 63401, 87786, 92663, 126802, 185326, 190203, 277989, 380406, 555978, 570609, 833967, 1141218, 1204619, 1667934, 2409238, 3613857, 7227714, 10841571, 21683142]

約数ペア:

[(1, 21683142), (2, 10841571), (3, 7227714), (6, 3613857), (9, 2409238), (13, 1667934), (18, 1204619), (19, 1141218), (26, 833967), (38, 570609), (39, 555978), (57, 380406), (78, 277989), (114, 190203), (117, 185326), (171, 126802), (234, 92663), (247, 87786), (342, 63401), (494, 43893), (741, 29262), (1482, 14631), (2223, 9754), (4446, 4877)]