21111300

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{1117}}^1$

素因数の和:1147

約数の個数: 144

約数和(自身を含む): 77633920

約数和(自身を除く): 56522620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1117, 1260, 1350, 1575, 1890, 2100, 2234, 2700, 3150, 3351, 3780, 4468, 4725, 5585, 6300, 6702, 7819, 9450, 10053, 11170, 13404, 15638, 16755, 18900, 20106, 22340, 23457, 27925, 30159, 31276, 33510, 39095, 40212, 46914, 50265, 55850, 60318, 67020, 70371, 78190, 83775, 93828, 100530, 111700, 117285, 120636, 140742, 150795, 156380, 167550, 195475, 201060, 211113, 234570, 251325, 281484, 301590, 335100, 351855, 390950, 422226, 469140, 502650, 586425, 603180, 703710, 753975, 781900, 844452, 1005300, 1055565, 1172850, 1407420, 1507950, 1759275, 2111130, 2345700, 3015900, 3518550, 4222260, 5277825, 7037100, 10555650, 21111300]

約数ペア:

[(1, 21111300), (2, 10555650), (3, 7037100), (4, 5277825), (5, 4222260), (6, 3518550), (7, 3015900), (9, 2345700), (10, 2111130), (12, 1759275), (14, 1507950), (15, 1407420), (18, 1172850), (20, 1055565), (21, 1005300), (25, 844452), (27, 781900), (28, 753975), (30, 703710), (35, 603180), (36, 586425), (42, 502650), (45, 469140), (50, 422226), (54, 390950), (60, 351855), (63, 335100), (70, 301590), (75, 281484), (84, 251325), (90, 234570), (100, 211113), (105, 201060), (108, 195475), (126, 167550), (135, 156380), (140, 150795), (150, 140742), (175, 120636), (180, 117285), (189, 111700), (210, 100530), (225, 93828), (252, 83775), (270, 78190), (300, 70371), (315, 67020), (350, 60318), (378, 55850), (420, 50265), (450, 46914), (525, 40212), (540, 39095), (630, 33510), (675, 31276), (700, 30159), (756, 27925), (900, 23457), (945, 22340), (1050, 20106), (1117, 18900), (1260, 16755), (1350, 15638), (1575, 13404), (1890, 11170), (2100, 10053), (2234, 9450), (2700, 7819), (3150, 6702), (3351, 6300), (3780, 5585), (4468, 4725)]