21445158

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{3727}}^1$

素因数の和:3876

約数の個数: 32

約数和(自身を含む): 49388544

約数和(自身を除く): 27943386

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 137, 274, 411, 822, 959, 1918, 2877, 3727, 5754, 7454, 11181, 22362, 26089, 52178, 78267, 156534, 510599, 1021198, 1531797, 3063594, 3574193, 7148386, 10722579, 21445158]

約数ペア:

[(1, 21445158), (2, 10722579), (3, 7148386), (6, 3574193), (7, 3063594), (14, 1531797), (21, 1021198), (42, 510599), (137, 156534), (274, 78267), (411, 52178), (822, 26089), (959, 22362), (1918, 11181), (2877, 7454), (3727, 5754)]