21358492045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{4421}}^1\times {\mathrm{5167}}^1$

素因数の和:9621

約数の個数: 32

約数和(自身を含む): 29617353216

約数和(自身を除く): 8258861171

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 4421, 5167, 22105, 25835, 48631, 56837, 75157, 87839, 243155, 284185, 375785, 439195, 826727, 966229, 4133635, 4831145, 22843307, 114216535, 251276377, 388336219, 1256381885, 1941681095, 4271698409, 21358492045]

約数ペア:

[(1, 21358492045), (5, 4271698409), (11, 1941681095), (17, 1256381885), (55, 388336219), (85, 251276377), (187, 114216535), (935, 22843307), (4421, 4831145), (5167, 4133635), (22105, 966229), (25835, 826727), (48631, 439195), (56837, 375785), (75157, 284185), (87839, 243155)]