21739956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{258809}}^1$

素因数の和:258823

約数の個数: 24

約数和(自身を含む): 57973440

約数和(自身を除く): 36233484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 258809, 517618, 776427, 1035236, 1552854, 1811663, 3105708, 3623326, 5434989, 7246652, 10869978, 21739956]

約数ペア:

[(1, 21739956), (2, 10869978), (3, 7246652), (4, 5434989), (6, 3623326), (7, 3105708), (12, 1811663), (14, 1552854), (21, 1035236), (28, 776427), (42, 517618), (84, 258809)]