16821390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{7681}}^1$

素因数の和:7764

約数の個数: 32

約数和(自身を含む): 40929696

約数和(自身を除く): 24108306

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 7681, 15362, 23043, 38405, 46086, 76810, 115215, 230430, 560713, 1121426, 1682139, 2803565, 3364278, 5607130, 8410695, 16821390]

約数ペア:

[(1, 16821390), (2, 8410695), (3, 5607130), (5, 3364278), (6, 2803565), (10, 1682139), (15, 1121426), (30, 560713), (73, 230430), (146, 115215), (219, 76810), (365, 46086), (438, 38405), (730, 23043), (1095, 15362), (2190, 7681)]