21153000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{641}}^1$

素因数の和:676

約数の個数: 128

約数和(自身を含む): 72109440

約数和(自身を除く): 50956440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 125, 132, 150, 165, 200, 220, 250, 264, 275, 300, 330, 375, 440, 500, 550, 600, 641, 660, 750, 825, 1000, 1100, 1282, 1320, 1375, 1500, 1650, 1923, 2200, 2564, 2750, 3000, 3205, 3300, 3846, 4125, 5128, 5500, 6410, 6600, 7051, 7692, 8250, 9615, 11000, 12820, 14102, 15384, 16025, 16500, 19230, 21153, 25640, 28204, 32050, 33000, 35255, 38460, 42306, 48075, 56408, 64100, 70510, 76920, 80125, 84612, 96150, 105765, 128200, 141020, 160250, 169224, 176275, 192300, 211530, 240375, 282040, 320500, 352550, 384600, 423060, 480750, 528825, 641000, 705100, 846120, 881375, 961500, 1057650, 1410200, 1762750, 1923000, 2115300, 2644125, 3525500, 4230600, 5288250, 7051000, 10576500, 21153000]

約数ペア:

[(1, 21153000), (2, 10576500), (3, 7051000), (4, 5288250), (5, 4230600), (6, 3525500), (8, 2644125), (10, 2115300), (11, 1923000), (12, 1762750), (15, 1410200), (20, 1057650), (22, 961500), (24, 881375), (25, 846120), (30, 705100), (33, 641000), (40, 528825), (44, 480750), (50, 423060), (55, 384600), (60, 352550), (66, 320500), (75, 282040), (88, 240375), (100, 211530), (110, 192300), (120, 176275), (125, 169224), (132, 160250), (150, 141020), (165, 128200), (200, 105765), (220, 96150), (250, 84612), (264, 80125), (275, 76920), (300, 70510), (330, 64100), (375, 56408), (440, 48075), (500, 42306), (550, 38460), (600, 35255), (641, 33000), (660, 32050), (750, 28204), (825, 25640), (1000, 21153), (1100, 19230), (1282, 16500), (1320, 16025), (1375, 15384), (1500, 14102), (1650, 12820), (1923, 11000), (2200, 9615), (2564, 8250), (2750, 7692), (3000, 7051), (3205, 6600), (3300, 6410), (3846, 5500), (4125, 5128)]