21719964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 63078400

約数和(自身を除く): 41358436

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 31, 38, 42, 57, 62, 76, 84, 93, 114, 124, 133, 186, 217, 228, 266, 372, 399, 434, 439, 532, 589, 651, 798, 868, 878, 1178, 1302, 1317, 1596, 1756, 1767, 2356, 2604, 2634, 3073, 3534, 4123, 5268, 6146, 7068, 8246, 8341, 9219, 12292, 12369, 13609, 16492, 16682, 18438, 24738, 25023, 27218, 33364, 36876, 40827, 49476, 50046, 54436, 58387, 81654, 95263, 100092, 116774, 163308, 175161, 190526, 233548, 258571, 285789, 350322, 381052, 517142, 571578, 700644, 775713, 1034284, 1143156, 1551426, 1809997, 3102852, 3619994, 5429991, 7239988, 10859982, 21719964]

約数ペア:

[(1, 21719964), (2, 10859982), (3, 7239988), (4, 5429991), (6, 3619994), (7, 3102852), (12, 1809997), (14, 1551426), (19, 1143156), (21, 1034284), (28, 775713), (31, 700644), (38, 571578), (42, 517142), (57, 381052), (62, 350322), (76, 285789), (84, 258571), (93, 233548), (114, 190526), (124, 175161), (133, 163308), (186, 116774), (217, 100092), (228, 95263), (266, 81654), (372, 58387), (399, 54436), (434, 50046), (439, 49476), (532, 40827), (589, 36876), (651, 33364), (798, 27218), (868, 25023), (878, 24738), (1178, 18438), (1302, 16682), (1317, 16492), (1596, 13609), (1756, 12369), (1767, 12292), (2356, 9219), (2604, 8341), (2634, 8246), (3073, 7068), (3534, 6146), (4123, 5268)]