21627816

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{347}}^1$

素因数の和:423

約数の個数: 96

約数和(自身を含む): 64268640

約数和(自身を除く): 42640824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 53, 56, 84, 98, 106, 147, 159, 168, 196, 212, 294, 318, 347, 371, 392, 424, 588, 636, 694, 742, 1041, 1113, 1176, 1272, 1388, 1484, 2082, 2226, 2429, 2597, 2776, 2968, 4164, 4452, 4858, 5194, 7287, 7791, 8328, 8904, 9716, 10388, 14574, 15582, 17003, 18391, 19432, 20776, 29148, 31164, 34006, 36782, 51009, 55173, 58296, 62328, 68012, 73564, 102018, 110346, 128737, 136024, 147128, 204036, 220692, 257474, 386211, 408072, 441384, 514948, 772422, 901159, 1029896, 1544844, 1802318, 2703477, 3089688, 3604636, 5406954, 7209272, 10813908, 21627816]

約数ペア:

[(1, 21627816), (2, 10813908), (3, 7209272), (4, 5406954), (6, 3604636), (7, 3089688), (8, 2703477), (12, 1802318), (14, 1544844), (21, 1029896), (24, 901159), (28, 772422), (42, 514948), (49, 441384), (53, 408072), (56, 386211), (84, 257474), (98, 220692), (106, 204036), (147, 147128), (159, 136024), (168, 128737), (196, 110346), (212, 102018), (294, 73564), (318, 68012), (347, 62328), (371, 58296), (392, 55173), (424, 51009), (588, 36782), (636, 34006), (694, 31164), (742, 29148), (1041, 20776), (1113, 19432), (1176, 18391), (1272, 17003), (1388, 15582), (1484, 14574), (2082, 10388), (2226, 9716), (2429, 8904), (2597, 8328), (2776, 7791), (2968, 7287), (4164, 5194), (4452, 4858)]