21958370

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1093}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 47142648

約数和(自身を除く): 25184278

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1093, 1435, 2009, 2186, 2870, 4018, 5465, 7651, 10045, 10930, 15302, 20090, 38255, 44813, 53557, 76510, 89626, 107114, 224065, 267785, 313691, 448130, 535570, 627382, 1568455, 2195837, 3136910, 4391674, 10979185, 21958370]

約数ペア:

[(1, 21958370), (2, 10979185), (5, 4391674), (7, 3136910), (10, 2195837), (14, 1568455), (35, 627382), (41, 535570), (49, 448130), (70, 313691), (82, 267785), (98, 224065), (205, 107114), (245, 89626), (287, 76510), (410, 53557), (490, 44813), (574, 38255), (1093, 20090), (1435, 15302), (2009, 10930), (2186, 10045), (2870, 7651), (4018, 5465)]