21989856

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:824

約数の個数: 96

約数和(自身を含む): 67592448

約数和(自身を除く): 45602592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 56, 84, 86, 96, 112, 129, 168, 172, 224, 258, 301, 336, 344, 516, 602, 672, 688, 761, 903, 1032, 1204, 1376, 1522, 1806, 2064, 2283, 2408, 3044, 3612, 4128, 4566, 4816, 5327, 6088, 7224, 9132, 9632, 10654, 12176, 14448, 15981, 18264, 21308, 24352, 28896, 31962, 32723, 36528, 42616, 63924, 65446, 73056, 85232, 98169, 127848, 130892, 170464, 196338, 229061, 255696, 261784, 392676, 458122, 511392, 523568, 687183, 785352, 916244, 1047136, 1374366, 1570704, 1832488, 2748732, 3141408, 3664976, 5497464, 7329952, 10994928, 21989856]

約数ペア:

[(1, 21989856), (2, 10994928), (3, 7329952), (4, 5497464), (6, 3664976), (7, 3141408), (8, 2748732), (12, 1832488), (14, 1570704), (16, 1374366), (21, 1047136), (24, 916244), (28, 785352), (32, 687183), (42, 523568), (43, 511392), (48, 458122), (56, 392676), (84, 261784), (86, 255696), (96, 229061), (112, 196338), (129, 170464), (168, 130892), (172, 127848), (224, 98169), (258, 85232), (301, 73056), (336, 65446), (344, 63924), (516, 42616), (602, 36528), (672, 32723), (688, 31962), (761, 28896), (903, 24352), (1032, 21308), (1204, 18264), (1376, 15981), (1522, 14448), (1806, 12176), (2064, 10654), (2283, 9632), (2408, 9132), (3044, 7224), (3612, 6088), (4128, 5327), (4566, 4816)]