21845313560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2108621}}^1$

素因数の和:2108676

約数の個数: 64

約数和(自身を含む): 57691897920

約数和(自身を除く): 35846584360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 2072, 2590, 5180, 10360, 2108621, 4217242, 8434484, 10543105, 14760347, 16868968, 21086210, 29520694, 42172420, 59041388, 73801735, 78018977, 84344840, 118082776, 147603470, 156037954, 295206940, 312075908, 390094885, 546132839, 590413880, 624151816, 780189770, 1092265678, 1560379540, 2184531356, 2730664195, 3120759080, 4369062712, 5461328390, 10922656780, 21845313560]

約数ペア:

[(1, 21845313560), (2, 10922656780), (4, 5461328390), (5, 4369062712), (7, 3120759080), (8, 2730664195), (10, 2184531356), (14, 1560379540), (20, 1092265678), (28, 780189770), (35, 624151816), (37, 590413880), (40, 546132839), (56, 390094885), (70, 312075908), (74, 295206940), (140, 156037954), (148, 147603470), (185, 118082776), (259, 84344840), (280, 78018977), (296, 73801735), (370, 59041388), (518, 42172420), (740, 29520694), (1036, 21086210), (1295, 16868968), (1480, 14760347), (2072, 10543105), (2590, 8434484), (5180, 4217242), (10360, 2108621)]