21666525964

素因数分解:

$2^2\times {\mathrm{23}}^2\times {\mathrm{263}}^1\times {\mathrm{38933}}^1$

素因数の和:39246

約数の個数: 36

約数和(自身を含む): 39788367696

約数和(自身を除く): 18121841732

約数列:

[1, 2, 4, 23, 46, 92, 263, 526, 529, 1052, 1058, 2116, 6049, 12098, 24196, 38933, 77866, 139127, 155732, 278254, 556508, 895459, 1790918, 3581836, 10239379, 20478758, 20595557, 40957516, 41191114, 82382228, 235505717, 471011434, 942022868, 5416631491, 10833262982, 21666525964]

約数ペア:

[(1, 21666525964), (2, 10833262982), (4, 5416631491), (23, 942022868), (46, 471011434), (92, 235505717), (263, 82382228), (526, 41191114), (529, 40957516), (1052, 20595557), (1058, 20478758), (2116, 10239379), (6049, 3581836), (12098, 1790918), (24196, 895459), (38933, 556508), (77866, 278254), (139127, 155732)]