21028500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4673}}^1$

素因数の和:4698

約数の個数: 72

約数和(自身を含む): 66352104

約数和(自身を除く): 45323604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4673, 9346, 14019, 18692, 23365, 28038, 42057, 46730, 56076, 70095, 84114, 93460, 116825, 140190, 168228, 210285, 233650, 280380, 350475, 420570, 467300, 584125, 700950, 841140, 1051425, 1168250, 1401900, 1752375, 2102850, 2336500, 3504750, 4205700, 5257125, 7009500, 10514250, 21028500]

約数ペア:

[(1, 21028500), (2, 10514250), (3, 7009500), (4, 5257125), (5, 4205700), (6, 3504750), (9, 2336500), (10, 2102850), (12, 1752375), (15, 1401900), (18, 1168250), (20, 1051425), (25, 841140), (30, 700950), (36, 584125), (45, 467300), (50, 420570), (60, 350475), (75, 280380), (90, 233650), (100, 210285), (125, 168228), (150, 140190), (180, 116825), (225, 93460), (250, 84114), (300, 70095), (375, 56076), (450, 46730), (500, 42057), (750, 28038), (900, 23365), (1125, 18692), (1500, 14019), (2250, 9346), (4500, 4673)]