21007152

素因数分解:

$2^4\times 3^2\times {\mathrm{113}}^1\times {\mathrm{1291}}^1$

素因数の和:1418

約数の個数: 60

約数和(自身を含む): 59357064

約数和(自身を除く): 38349912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 113, 144, 226, 339, 452, 678, 904, 1017, 1291, 1356, 1808, 2034, 2582, 2712, 3873, 4068, 5164, 5424, 7746, 8136, 10328, 11619, 15492, 16272, 20656, 23238, 30984, 46476, 61968, 92952, 145883, 185904, 291766, 437649, 583532, 875298, 1167064, 1312947, 1750596, 2334128, 2625894, 3501192, 5251788, 7002384, 10503576, 21007152]

約数ペア:

[(1, 21007152), (2, 10503576), (3, 7002384), (4, 5251788), (6, 3501192), (8, 2625894), (9, 2334128), (12, 1750596), (16, 1312947), (18, 1167064), (24, 875298), (36, 583532), (48, 437649), (72, 291766), (113, 185904), (144, 145883), (226, 92952), (339, 61968), (452, 46476), (678, 30984), (904, 23238), (1017, 20656), (1291, 16272), (1356, 15492), (1808, 11619), (2034, 10328), (2582, 8136), (2712, 7746), (3873, 5424), (4068, 5164)]