21535152

素因数分解:

$2^4\times 3^1\times {\mathrm{71}}^2\times {\mathrm{89}}^1$

素因数の和:242

約数の個数: 60

約数和(自身を含む): 57061080

約数和(自身を除く): 35525928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 71, 89, 142, 178, 213, 267, 284, 356, 426, 534, 568, 712, 852, 1068, 1136, 1424, 1704, 2136, 3408, 4272, 5041, 6319, 10082, 12638, 15123, 18957, 20164, 25276, 30246, 37914, 40328, 50552, 60492, 75828, 80656, 101104, 120984, 151656, 241968, 303312, 448649, 897298, 1345947, 1794596, 2691894, 3589192, 5383788, 7178384, 10767576, 21535152]

約数ペア:

[(1, 21535152), (2, 10767576), (3, 7178384), (4, 5383788), (6, 3589192), (8, 2691894), (12, 1794596), (16, 1345947), (24, 897298), (48, 448649), (71, 303312), (89, 241968), (142, 151656), (178, 120984), (213, 101104), (267, 80656), (284, 75828), (356, 60492), (426, 50552), (534, 40328), (568, 37914), (712, 30246), (852, 25276), (1068, 20164), (1136, 18957), (1424, 15123), (1704, 12638), (2136, 10082), (3408, 6319), (4272, 5041)]