21352786

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{5101}}^1$

素因数の和:5146

約数の個数: 32

約数和(自身を含む): 41142528

約数和(自身を除く): 19789742

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 5101, 10202, 35707, 66313, 71414, 117323, 132626, 234646, 464191, 821261, 928382, 1525199, 1642522, 3050398, 10676393, 21352786]

約数ペア:

[(1, 21352786), (2, 10676393), (7, 3050398), (13, 1642522), (14, 1525199), (23, 928382), (26, 821261), (46, 464191), (91, 234646), (161, 132626), (182, 117323), (299, 71414), (322, 66313), (598, 35707), (2093, 10202), (4186, 5101)]