21867690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1193}}^1$

素因数の和:1263

約数の個数: 64

約数和(自身を含む): 57770496

約数和(自身を除く): 35902806

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 611, 705, 1193, 1222, 1410, 1833, 2386, 3055, 3579, 3666, 5965, 6110, 7158, 9165, 11930, 15509, 17895, 18330, 31018, 35790, 46527, 56071, 77545, 93054, 112142, 155090, 168213, 232635, 280355, 336426, 465270, 560710, 728923, 841065, 1457846, 1682130, 2186769, 3644615, 4373538, 7289230, 10933845, 21867690]

約数ペア:

[(1, 21867690), (2, 10933845), (3, 7289230), (5, 4373538), (6, 3644615), (10, 2186769), (13, 1682130), (15, 1457846), (26, 841065), (30, 728923), (39, 560710), (47, 465270), (65, 336426), (78, 280355), (94, 232635), (130, 168213), (141, 155090), (195, 112142), (235, 93054), (282, 77545), (390, 56071), (470, 46527), (611, 35790), (705, 31018), (1193, 18330), (1222, 17895), (1410, 15509), (1833, 11930), (2386, 9165), (3055, 7158), (3579, 6110), (3666, 5965)]