21088416

素因数分解:

$2^5\times 3^1\times {\mathrm{107}}^1\times {\mathrm{2053}}^1$

素因数の和:2173

約数の個数: 48

約数和(自身を含む): 55901664

約数和(自身を除く): 34813248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 107, 214, 321, 428, 642, 856, 1284, 1712, 2053, 2568, 3424, 4106, 5136, 6159, 8212, 10272, 12318, 16424, 24636, 32848, 49272, 65696, 98544, 197088, 219671, 439342, 659013, 878684, 1318026, 1757368, 2636052, 3514736, 5272104, 7029472, 10544208, 21088416]

約数ペア:

[(1, 21088416), (2, 10544208), (3, 7029472), (4, 5272104), (6, 3514736), (8, 2636052), (12, 1757368), (16, 1318026), (24, 878684), (32, 659013), (48, 439342), (96, 219671), (107, 197088), (214, 98544), (321, 65696), (428, 49272), (642, 32848), (856, 24636), (1284, 16424), (1712, 12318), (2053, 10272), (2568, 8212), (3424, 6159), (4106, 5136)]