21075312

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{10709}}^1$

素因数の和:10761

約数の個数: 40

約数和(自身を含む): 55777680

約数和(自身を除く): 34702368

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 10709, 21418, 32127, 42836, 64254, 85672, 128508, 171344, 257016, 439069, 514032, 878138, 1317207, 1756276, 2634414, 3512552, 5268828, 7025104, 10537656, 21075312]

約数ペア:

[(1, 21075312), (2, 10537656), (3, 7025104), (4, 5268828), (6, 3512552), (8, 2634414), (12, 1756276), (16, 1317207), (24, 878138), (41, 514032), (48, 439069), (82, 257016), (123, 171344), (164, 128508), (246, 85672), (328, 64254), (492, 42836), (656, 32127), (984, 21418), (1968, 10709)]