21858564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 64589056

約数和(自身を除く): 42730492

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 52, 74, 78, 84, 91, 111, 148, 156, 182, 222, 259, 273, 364, 444, 481, 518, 541, 546, 777, 962, 1036, 1082, 1092, 1443, 1554, 1623, 1924, 2164, 2886, 3108, 3246, 3367, 3787, 5772, 6492, 6734, 7033, 7574, 10101, 11361, 13468, 14066, 15148, 20017, 20202, 21099, 22722, 28132, 40034, 40404, 42198, 45444, 49231, 60051, 80068, 84396, 98462, 120102, 140119, 147693, 196924, 240204, 260221, 280238, 295386, 420357, 520442, 560476, 590772, 780663, 840714, 1040884, 1561326, 1681428, 1821547, 3122652, 3643094, 5464641, 7286188, 10929282, 21858564]

約数ペア:

[(1, 21858564), (2, 10929282), (3, 7286188), (4, 5464641), (6, 3643094), (7, 3122652), (12, 1821547), (13, 1681428), (14, 1561326), (21, 1040884), (26, 840714), (28, 780663), (37, 590772), (39, 560476), (42, 520442), (52, 420357), (74, 295386), (78, 280238), (84, 260221), (91, 240204), (111, 196924), (148, 147693), (156, 140119), (182, 120102), (222, 98462), (259, 84396), (273, 80068), (364, 60051), (444, 49231), (481, 45444), (518, 42198), (541, 40404), (546, 40034), (777, 28132), (962, 22722), (1036, 21099), (1082, 20202), (1092, 20017), (1443, 15148), (1554, 14066), (1623, 13468), (1924, 11361), (2164, 10101), (2886, 7574), (3108, 7033), (3246, 6734), (3367, 6492), (3787, 5772)]