21783924

素因数分解:

$2^2\times 3^3\times {\mathrm{401}}^1\times {\mathrm{503}}^1$

素因数の和:917

約数の個数: 48

約数和(自身を含む): 56730240

約数和(自身を除く): 34946316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 401, 503, 802, 1006, 1203, 1509, 1604, 2012, 2406, 3018, 3609, 4527, 4812, 6036, 7218, 9054, 10827, 13581, 14436, 18108, 21654, 27162, 43308, 54324, 201703, 403406, 605109, 806812, 1210218, 1815327, 2420436, 3630654, 5445981, 7261308, 10891962, 21783924]

約数ペア:

[(1, 21783924), (2, 10891962), (3, 7261308), (4, 5445981), (6, 3630654), (9, 2420436), (12, 1815327), (18, 1210218), (27, 806812), (36, 605109), (54, 403406), (108, 201703), (401, 54324), (503, 43308), (802, 27162), (1006, 21654), (1203, 18108), (1509, 14436), (1604, 13581), (2012, 10827), (2406, 9054), (3018, 7218), (3609, 6036), (4527, 4812)]