21256344

素因数分解:

$2^3\times 3^4\times {\mathrm{32803}}^1$

素因数の和:32821

約数の個数: 40

約数和(自身を含む): 59539260

約数和(自身を除く): 38282916

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32803, 65606, 98409, 131212, 196818, 262424, 295227, 393636, 590454, 787272, 885681, 1180908, 1771362, 2361816, 2657043, 3542724, 5314086, 7085448, 10628172, 21256344]

約数ペア:

[(1, 21256344), (2, 10628172), (3, 7085448), (4, 5314086), (6, 3542724), (8, 2657043), (9, 2361816), (12, 1771362), (18, 1180908), (24, 885681), (27, 787272), (36, 590454), (54, 393636), (72, 295227), (81, 262424), (108, 196818), (162, 131212), (216, 98409), (324, 65606), (648, 32803)]