21794955

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2281}}^1$

素因数の和:2316

約数の個数: 48

約数和(自身を含む): 43704864

約数和(自身を除く): 21909909

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 49, 65, 91, 105, 147, 195, 245, 273, 455, 637, 735, 1365, 1911, 2281, 3185, 6843, 9555, 11405, 15967, 29653, 34215, 47901, 79835, 88959, 111769, 148265, 207571, 239505, 335307, 444795, 558845, 622713, 1037855, 1452997, 1676535, 3113565, 4358991, 7264985, 21794955]

約数ペア:

[(1, 21794955), (3, 7264985), (5, 4358991), (7, 3113565), (13, 1676535), (15, 1452997), (21, 1037855), (35, 622713), (39, 558845), (49, 444795), (65, 335307), (91, 239505), (105, 207571), (147, 148265), (195, 111769), (245, 88959), (273, 79835), (455, 47901), (637, 34215), (735, 29653), (1365, 15967), (1911, 11405), (2281, 9555), (3185, 6843)]