21761630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1093}}^1$

素因数の和:1292

約数の個数: 32

約数和(自身を含む): 43007328

約数和(自身を除く): 21245698

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 1093, 1810, 1991, 2186, 3982, 5465, 9955, 10930, 12023, 19910, 24046, 60115, 120230, 197833, 395666, 989165, 1978330, 2176163, 4352326, 10880815, 21761630]

約数ペア:

[(1, 21761630), (2, 10880815), (5, 4352326), (10, 2176163), (11, 1978330), (22, 989165), (55, 395666), (110, 197833), (181, 120230), (362, 60115), (905, 24046), (1093, 19910), (1810, 12023), (1991, 10930), (2186, 9955), (3982, 5465)]