21384360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:519

約数の個数: 96

約数和(自身を含む): 70087680

約数和(自身を除く): 48703320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 191, 311, 360, 382, 573, 622, 764, 933, 955, 1146, 1244, 1528, 1555, 1719, 1866, 1910, 2292, 2488, 2799, 2865, 3110, 3438, 3732, 3820, 4584, 4665, 5598, 5730, 6220, 6876, 7464, 7640, 8595, 9330, 11196, 11460, 12440, 13752, 13995, 17190, 18660, 22392, 22920, 27990, 34380, 37320, 55980, 59401, 68760, 111960, 118802, 178203, 237604, 297005, 356406, 475208, 534609, 594010, 712812, 891015, 1069218, 1188020, 1425624, 1782030, 2138436, 2376040, 2673045, 3564060, 4276872, 5346090, 7128120, 10692180, 21384360]

約数ペア:

[(1, 21384360), (2, 10692180), (3, 7128120), (4, 5346090), (5, 4276872), (6, 3564060), (8, 2673045), (9, 2376040), (10, 2138436), (12, 1782030), (15, 1425624), (18, 1188020), (20, 1069218), (24, 891015), (30, 712812), (36, 594010), (40, 534609), (45, 475208), (60, 356406), (72, 297005), (90, 237604), (120, 178203), (180, 118802), (191, 111960), (311, 68760), (360, 59401), (382, 55980), (573, 37320), (622, 34380), (764, 27990), (933, 22920), (955, 22392), (1146, 18660), (1244, 17190), (1528, 13995), (1555, 13752), (1719, 12440), (1866, 11460), (1910, 11196), (2292, 9330), (2488, 8595), (2799, 7640), (2865, 7464), (3110, 6876), (3438, 6220), (3732, 5730), (3820, 5598), (4584, 4665)]