21914270015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1\times {\mathrm{8123}}^1$

素因数の和:8591

約数の個数: 32

約数和(自身を含む): 28956275712

約数和(自身を除く): 7042005697

約数列:

[1, 5, 11, 55, 181, 271, 905, 1355, 1991, 2981, 8123, 9955, 14905, 40615, 49051, 89353, 245255, 446765, 539561, 1470263, 2201333, 2697805, 7351315, 11006665, 16172893, 24214663, 80864465, 121073315, 398441273, 1992206365, 4382854003, 21914270015]

約数ペア:

[(1, 21914270015), (5, 4382854003), (11, 1992206365), (55, 398441273), (181, 121073315), (271, 80864465), (905, 24214663), (1355, 16172893), (1991, 11006665), (2981, 7351315), (8123, 2697805), (9955, 2201333), (14905, 1470263), (40615, 539561), (49051, 446765), (89353, 245255)]