21397548562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1\times {\mathrm{15319}}^1$

素因数の和:17098

約数の個数: 32

約数和(自身を含む): 35703198720

約数和(自身を除く): 14305650158

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 1733, 3466, 15319, 22529, 30638, 45058, 53723, 107446, 199147, 398294, 474889, 698399, 949778, 1396798, 6173557, 12347114, 26547827, 53095654, 345121751, 690243502, 822982637, 1645965274, 10698774281, 21397548562]

約数ペア:

[(1, 21397548562), (2, 10698774281), (13, 1645965274), (26, 822982637), (31, 690243502), (62, 345121751), (403, 53095654), (806, 26547827), (1733, 12347114), (3466, 6173557), (15319, 1396798), (22529, 949778), (30638, 698399), (45058, 474889), (53723, 398294), (107446, 199147)]