21489750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{9551}}^1$

素因数の和:9574

約数の個数: 48

約数和(自身を含む): 58114368

約数和(自身を除く): 36624618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 750, 1125, 2250, 9551, 19102, 28653, 47755, 57306, 85959, 95510, 143265, 171918, 238775, 286530, 429795, 477550, 716325, 859590, 1193875, 1432650, 2148975, 2387750, 3581625, 4297950, 7163250, 10744875, 21489750]

約数ペア:

[(1, 21489750), (2, 10744875), (3, 7163250), (5, 4297950), (6, 3581625), (9, 2387750), (10, 2148975), (15, 1432650), (18, 1193875), (25, 859590), (30, 716325), (45, 477550), (50, 429795), (75, 286530), (90, 238775), (125, 171918), (150, 143265), (225, 95510), (250, 85959), (375, 57306), (450, 47755), (750, 28653), (1125, 19102), (2250, 9551)]