21490790830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2278981}}^1$

素因数の和:2279052

約数の個数: 32

約数和(自身を含む): 41349849408

約数和(自身を除く): 19859058578

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 4715, 9430, 2278981, 4557962, 11394905, 22789810, 52416563, 93438221, 104833126, 186876442, 262082815, 467191105, 524165630, 934382210, 2149079083, 4298158166, 10745395415, 21490790830]

約数ペア:

[(1, 21490790830), (2, 10745395415), (5, 4298158166), (10, 2149079083), (23, 934382210), (41, 524165630), (46, 467191105), (82, 262082815), (115, 186876442), (205, 104833126), (230, 93438221), (410, 52416563), (943, 22789810), (1886, 11394905), (4715, 4557962), (9430, 2278981)]