21058925038

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{53987}}^1$

素因数の和:54168

約数の個数: 32

約数和(自身を含む): 33304981248

約数和(自身を除く): 12246056210

約数列:

[1, 2, 41, 67, 71, 82, 134, 142, 2747, 2911, 4757, 5494, 5822, 9514, 53987, 107974, 195037, 390074, 2213467, 3617129, 3833077, 4426934, 7234258, 7666154, 148302289, 157156157, 256816159, 296604578, 314312314, 513632318, 10529462519, 21058925038]

約数ペア:

[(1, 21058925038), (2, 10529462519), (41, 513632318), (67, 314312314), (71, 296604578), (82, 256816159), (134, 157156157), (142, 148302289), (2747, 7666154), (2911, 7234258), (4757, 4426934), (5494, 3833077), (5822, 3617129), (9514, 2213467), (53987, 390074), (107974, 195037)]