21773556

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{347}}^1$

素因数の和:450

約数の個数: 96

約数和(自身を含む): 65479680

約数和(自身を除く): 43706124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 83, 84, 108, 126, 166, 189, 249, 252, 332, 347, 378, 498, 581, 694, 747, 756, 996, 1041, 1162, 1388, 1494, 1743, 2082, 2241, 2324, 2429, 2988, 3123, 3486, 4164, 4482, 4858, 5229, 6246, 6972, 7287, 8964, 9369, 9716, 10458, 12492, 14574, 15687, 18738, 20916, 21861, 28801, 29148, 31374, 37476, 43722, 57602, 62748, 65583, 86403, 87444, 115204, 131166, 172806, 201607, 259209, 262332, 345612, 403214, 518418, 604821, 777627, 806428, 1036836, 1209642, 1555254, 1814463, 2419284, 3110508, 3628926, 5443389, 7257852, 10886778, 21773556]

約数ペア:

[(1, 21773556), (2, 10886778), (3, 7257852), (4, 5443389), (6, 3628926), (7, 3110508), (9, 2419284), (12, 1814463), (14, 1555254), (18, 1209642), (21, 1036836), (27, 806428), (28, 777627), (36, 604821), (42, 518418), (54, 403214), (63, 345612), (83, 262332), (84, 259209), (108, 201607), (126, 172806), (166, 131166), (189, 115204), (249, 87444), (252, 86403), (332, 65583), (347, 62748), (378, 57602), (498, 43722), (581, 37476), (694, 31374), (747, 29148), (756, 28801), (996, 21861), (1041, 20916), (1162, 18738), (1388, 15687), (1494, 14574), (1743, 12492), (2082, 10458), (2241, 9716), (2324, 9369), (2429, 8964), (2988, 7287), (3123, 6972), (3486, 6246), (4164, 5229), (4482, 4858)]