21865695

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{797}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 14906145

約数列:

[1, 3, 5, 15, 31, 59, 93, 155, 177, 295, 465, 797, 885, 1829, 2391, 3985, 5487, 9145, 11955, 24707, 27435, 47023, 74121, 123535, 141069, 235115, 370605, 705345, 1457713, 4373139, 7288565, 21865695]

約数ペア:

[(1, 21865695), (3, 7288565), (5, 4373139), (15, 1457713), (31, 705345), (59, 370605), (93, 235115), (155, 141069), (177, 123535), (295, 74121), (465, 47023), (797, 27435), (885, 24707), (1829, 11955), (2391, 9145), (3985, 5487)]