21688730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3733}}^1$

素因数の和:3830

約数の個数: 32

約数和(自身を含む): 45166464

約数和(自身を除く): 23477734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 83, 166, 415, 581, 830, 1162, 2905, 3733, 5810, 7466, 18665, 26131, 37330, 52262, 130655, 261310, 309839, 619678, 1549195, 2168873, 3098390, 4337746, 10844365, 21688730]

約数ペア:

[(1, 21688730), (2, 10844365), (5, 4337746), (7, 3098390), (10, 2168873), (14, 1549195), (35, 619678), (70, 309839), (83, 261310), (166, 130655), (415, 52262), (581, 37330), (830, 26131), (1162, 18665), (2905, 7466), (3733, 5810)]