21404354015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1\times {\mathrm{12473}}^1$

素因数の和:13291

約数の個数: 32

約数和(自身を含む): 28743688512

約数和(自身を除く): 7339334497

約数列:

[1, 5, 11, 41, 55, 205, 451, 761, 2255, 3805, 8371, 12473, 31201, 41855, 62365, 137203, 156005, 343211, 511393, 686015, 1716055, 2556965, 5625323, 9491953, 28126615, 47459765, 104411483, 389170073, 522057415, 1945850365, 4280870803, 21404354015]

約数ペア:

[(1, 21404354015), (5, 4280870803), (11, 1945850365), (41, 522057415), (55, 389170073), (205, 104411483), (451, 47459765), (761, 28126615), (2255, 9491953), (3805, 5625323), (8371, 2556965), (12473, 1716055), (31201, 686015), (41855, 511393), (62365, 343211), (137203, 156005)]