21780456670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{10729289}}^1$

素因数の和:10729332

約数の個数: 32

約数和(自身を含む): 46350532800

約数和(自身を除く): 24570076130

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 10729289, 21458578, 53646445, 75105023, 107292890, 150210046, 311149381, 375525115, 622298762, 751050230, 1555746905, 2178045667, 3111493810, 4356091334, 10890228335, 21780456670]

約数ペア:

[(1, 21780456670), (2, 10890228335), (5, 4356091334), (7, 3111493810), (10, 2178045667), (14, 1555746905), (29, 751050230), (35, 622298762), (58, 375525115), (70, 311149381), (145, 150210046), (203, 107292890), (290, 75105023), (406, 53646445), (1015, 21458578), (2030, 10729289)]