21423444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 96

約数和(自身を含む): 60162816

約数和(自身を除く): 38739372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 61, 74, 84, 111, 113, 122, 148, 183, 222, 226, 244, 259, 339, 366, 427, 444, 452, 518, 678, 732, 777, 791, 854, 1036, 1281, 1356, 1554, 1582, 1708, 2257, 2373, 2562, 3108, 3164, 4181, 4514, 4746, 5124, 6771, 6893, 8362, 9028, 9492, 12543, 13542, 13786, 15799, 16724, 20679, 25086, 27084, 27572, 29267, 31598, 41358, 47397, 48251, 50172, 58534, 63196, 82716, 87801, 94794, 96502, 117068, 144753, 175602, 189588, 193004, 255041, 289506, 351204, 510082, 579012, 765123, 1020164, 1530246, 1785287, 3060492, 3570574, 5355861, 7141148, 10711722, 21423444]

約数ペア:

[(1, 21423444), (2, 10711722), (3, 7141148), (4, 5355861), (6, 3570574), (7, 3060492), (12, 1785287), (14, 1530246), (21, 1020164), (28, 765123), (37, 579012), (42, 510082), (61, 351204), (74, 289506), (84, 255041), (111, 193004), (113, 189588), (122, 175602), (148, 144753), (183, 117068), (222, 96502), (226, 94794), (244, 87801), (259, 82716), (339, 63196), (366, 58534), (427, 50172), (444, 48251), (452, 47397), (518, 41358), (678, 31598), (732, 29267), (777, 27572), (791, 27084), (854, 25086), (1036, 20679), (1281, 16724), (1356, 15799), (1554, 13786), (1582, 13542), (1708, 12543), (2257, 9492), (2373, 9028), (2562, 8362), (3108, 6893), (3164, 6771), (4181, 5124), (4514, 4746)]