21199192

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 48153600

約数和(自身を除く): 26954408

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 109, 151, 161, 184, 218, 302, 322, 436, 604, 644, 763, 872, 1057, 1208, 1288, 1526, 2114, 2507, 3052, 3473, 4228, 5014, 6104, 6946, 8456, 10028, 13892, 16459, 17549, 20056, 24311, 27784, 32918, 35098, 48622, 65836, 70196, 97244, 115213, 131672, 140392, 194488, 230426, 378557, 460852, 757114, 921704, 1514228, 2649899, 3028456, 5299798, 10599596, 21199192]

約数ペア:

[(1, 21199192), (2, 10599596), (4, 5299798), (7, 3028456), (8, 2649899), (14, 1514228), (23, 921704), (28, 757114), (46, 460852), (56, 378557), (92, 230426), (109, 194488), (151, 140392), (161, 131672), (184, 115213), (218, 97244), (302, 70196), (322, 65836), (436, 48622), (604, 35098), (644, 32918), (763, 27784), (872, 24311), (1057, 20056), (1208, 17549), (1288, 16459), (1526, 13892), (2114, 10028), (2507, 8456), (3052, 6946), (3473, 6104), (4228, 5014)]