21775670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4643}}^1$

素因数の和:4724

約数の個数: 32

約数和(自身を含む): 45474048

約数和(自身を除く): 23698378

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 134, 335, 469, 670, 938, 2345, 4643, 4690, 9286, 23215, 32501, 46430, 65002, 162505, 311081, 325010, 622162, 1555405, 2177567, 3110810, 4355134, 10887835, 21775670]

約数ペア:

[(1, 21775670), (2, 10887835), (5, 4355134), (7, 3110810), (10, 2177567), (14, 1555405), (35, 622162), (67, 325010), (70, 311081), (134, 162505), (335, 65002), (469, 46430), (670, 32501), (938, 23215), (2345, 9286), (4643, 4690)]