21410400

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{811}}^1$

素因数の和:845

約数の個数: 144

約数和(自身を含む): 76120128

約数和(自身を除く): 54709728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 96, 100, 110, 120, 132, 150, 160, 165, 176, 200, 220, 240, 264, 275, 300, 330, 352, 400, 440, 480, 528, 550, 600, 660, 800, 811, 825, 880, 1056, 1100, 1200, 1320, 1622, 1650, 1760, 2200, 2400, 2433, 2640, 3244, 3300, 4055, 4400, 4866, 5280, 6488, 6600, 8110, 8800, 8921, 9732, 12165, 12976, 13200, 16220, 17842, 19464, 20275, 24330, 25952, 26400, 26763, 32440, 35684, 38928, 40550, 44605, 48660, 53526, 60825, 64880, 71368, 77856, 81100, 89210, 97320, 107052, 121650, 129760, 133815, 142736, 162200, 178420, 194640, 214104, 223025, 243300, 267630, 285472, 324400, 356840, 389280, 428208, 446050, 486600, 535260, 648800, 669075, 713680, 856416, 892100, 973200, 1070520, 1338150, 1427360, 1784200, 1946400, 2141040, 2676300, 3568400, 4282080, 5352600, 7136800, 10705200, 21410400]

約数ペア:

[(1, 21410400), (2, 10705200), (3, 7136800), (4, 5352600), (5, 4282080), (6, 3568400), (8, 2676300), (10, 2141040), (11, 1946400), (12, 1784200), (15, 1427360), (16, 1338150), (20, 1070520), (22, 973200), (24, 892100), (25, 856416), (30, 713680), (32, 669075), (33, 648800), (40, 535260), (44, 486600), (48, 446050), (50, 428208), (55, 389280), (60, 356840), (66, 324400), (75, 285472), (80, 267630), (88, 243300), (96, 223025), (100, 214104), (110, 194640), (120, 178420), (132, 162200), (150, 142736), (160, 133815), (165, 129760), (176, 121650), (200, 107052), (220, 97320), (240, 89210), (264, 81100), (275, 77856), (300, 71368), (330, 64880), (352, 60825), (400, 53526), (440, 48660), (480, 44605), (528, 40550), (550, 38928), (600, 35684), (660, 32440), (800, 26763), (811, 26400), (825, 25952), (880, 24330), (1056, 20275), (1100, 19464), (1200, 17842), (1320, 16220), (1622, 13200), (1650, 12976), (1760, 12165), (2200, 9732), (2400, 8921), (2433, 8800), (2640, 8110), (3244, 6600), (3300, 6488), (4055, 5280), (4400, 4866)]