21816799038

素因数分解:

$2^1\times 3^7\times {\mathrm{97}}^1\times {\mathrm{51421}}^1$

素因数の和:51541

約数の個数: 64

約数和(自身を含む): 49587263040

約数和(自身を除く): 27770464002

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 97, 162, 194, 243, 291, 486, 582, 729, 873, 1458, 1746, 2187, 2619, 4374, 5238, 7857, 15714, 23571, 47142, 51421, 70713, 102842, 141426, 154263, 212139, 308526, 424278, 462789, 925578, 1388367, 2776734, 4165101, 4987837, 8330202, 9975674, 12495303, 14963511, 24990606, 29927022, 37485909, 44890533, 74971818, 89781066, 112457727, 134671599, 224915454, 269343198, 404014797, 808029594, 1212044391, 2424088782, 3636133173, 7272266346, 10908399519, 21816799038]

約数ペア:

[(1, 21816799038), (2, 10908399519), (3, 7272266346), (6, 3636133173), (9, 2424088782), (18, 1212044391), (27, 808029594), (54, 404014797), (81, 269343198), (97, 224915454), (162, 134671599), (194, 112457727), (243, 89781066), (291, 74971818), (486, 44890533), (582, 37485909), (729, 29927022), (873, 24990606), (1458, 14963511), (1746, 12495303), (2187, 9975674), (2619, 8330202), (4374, 4987837), (5238, 4165101), (7857, 2776734), (15714, 1388367), (23571, 925578), (47142, 462789), (51421, 424278), (70713, 308526), (102842, 212139), (141426, 154263)]