21189701955

素因数分解:

$3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{617}}^1\times {\mathrm{10267}}^1$

素因数の和:11115

約数の個数: 32

約数和(自身を含む): 34114074624

約数和(自身を除く): 12924372669

約数列:

[1, 3, 5, 15, 223, 617, 669, 1115, 1851, 3085, 3345, 9255, 10267, 30801, 51335, 137591, 154005, 412773, 687955, 2063865, 2289541, 6334739, 6868623, 11447705, 19004217, 31673695, 34343115, 95021085, 1412646797, 4237940391, 7063233985, 21189701955]

約数ペア:

[(1, 21189701955), (3, 7063233985), (5, 4237940391), (15, 1412646797), (223, 95021085), (617, 34343115), (669, 31673695), (1115, 19004217), (1851, 11447705), (3085, 6868623), (3345, 6334739), (9255, 2289541), (10267, 2063865), (30801, 687955), (51335, 412773), (137591, 154005)]