21279138

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{911}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 45308160

約数和(自身を除く): 24029022

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 229, 458, 687, 911, 1374, 1822, 2733, 3893, 5466, 7786, 11679, 15487, 23358, 30974, 46461, 92922, 208619, 417238, 625857, 1251714, 3546523, 7093046, 10639569, 21279138]

約数ペア:

[(1, 21279138), (2, 10639569), (3, 7093046), (6, 3546523), (17, 1251714), (34, 625857), (51, 417238), (102, 208619), (229, 92922), (458, 46461), (687, 30974), (911, 23358), (1374, 15487), (1822, 11679), (2733, 7786), (3893, 5466)]