21085859845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{13003}}^1$

素因数の和:13329

約数の個数: 32

約数和(自身を含む): 26965094400

約数和(自身を除く): 5879234555

約数列:

[1, 5, 23, 59, 115, 239, 295, 1195, 1357, 5497, 6785, 13003, 14101, 27485, 65015, 70505, 299069, 324323, 767177, 1495345, 1621615, 3107717, 3835885, 15538585, 17645071, 71477491, 88225355, 183355303, 357387455, 916776515, 4217171969, 21085859845]

約数ペア:

[(1, 21085859845), (5, 4217171969), (23, 916776515), (59, 357387455), (115, 183355303), (239, 88225355), (295, 71477491), (1195, 17645071), (1357, 15538585), (5497, 3835885), (6785, 3107717), (13003, 1621615), (14101, 1495345), (27485, 767177), (65015, 324323), (70505, 299069)]