21537978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{46619}}^1$

素因数の和:46642

約数の個数: 32

約数和(自身を含む): 53706240

約数和(自身を除く): 32168262

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 46619, 93238, 139857, 279714, 326333, 512809, 652666, 978999, 1025618, 1538427, 1957998, 3076854, 3589663, 7179326, 10768989, 21537978]

約数ペア:

[(1, 21537978), (2, 10768989), (3, 7179326), (6, 3589663), (7, 3076854), (11, 1957998), (14, 1538427), (21, 1025618), (22, 978999), (33, 652666), (42, 512809), (66, 326333), (77, 279714), (154, 139857), (231, 93238), (462, 46619)]