21973455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:980

約数の個数: 48

約数和(自身を含む): 44129280

約数和(自身を除く): 22155825

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 79, 105, 237, 315, 395, 553, 711, 883, 1185, 1659, 2649, 2765, 3555, 4415, 4977, 6181, 7947, 8295, 13245, 18543, 24885, 30905, 39735, 55629, 69757, 92715, 209271, 278145, 348785, 488299, 627813, 1046355, 1464897, 2441495, 3139065, 4394691, 7324485, 21973455]

約数ペア:

[(1, 21973455), (3, 7324485), (5, 4394691), (7, 3139065), (9, 2441495), (15, 1464897), (21, 1046355), (35, 627813), (45, 488299), (63, 348785), (79, 278145), (105, 209271), (237, 92715), (315, 69757), (395, 55629), (553, 39735), (711, 30905), (883, 24885), (1185, 18543), (1659, 13245), (2649, 8295), (2765, 7947), (3555, 6181), (4415, 4977)]