21017156907

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{44699}}^1$

素因数の和:44907

約数の個数: 32

約数和(自身を含む): 30167136000

約数和(自身を除く): 9149979093

約数列:

[1, 3, 19, 57, 73, 113, 219, 339, 1387, 2147, 4161, 6441, 8249, 24747, 44699, 134097, 156731, 470193, 849281, 2547843, 3263027, 5050987, 9789081, 15152961, 61997513, 95968753, 185992539, 287906259, 368722051, 1106166153, 7005718969, 21017156907]

約数ペア:

[(1, 21017156907), (3, 7005718969), (19, 1106166153), (57, 368722051), (73, 287906259), (113, 185992539), (219, 95968753), (339, 61997513), (1387, 15152961), (2147, 9789081), (4161, 5050987), (6441, 3263027), (8249, 2547843), (24747, 849281), (44699, 470193), (134097, 156731)]