21567448

素因数分解:

$2^3\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1487}}^1$

素因数の和:1544

約数の個数: 48

約数和(自身を含む): 48345120

約数和(自身を除く): 26777672

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 49, 56, 74, 98, 148, 196, 259, 296, 392, 518, 1036, 1487, 1813, 2072, 2974, 3626, 5948, 7252, 10409, 11896, 14504, 20818, 41636, 55019, 72863, 83272, 110038, 145726, 220076, 291452, 385133, 440152, 582904, 770266, 1540532, 2695931, 3081064, 5391862, 10783724, 21567448]

約数ペア:

[(1, 21567448), (2, 10783724), (4, 5391862), (7, 3081064), (8, 2695931), (14, 1540532), (28, 770266), (37, 582904), (49, 440152), (56, 385133), (74, 291452), (98, 220076), (148, 145726), (196, 110038), (259, 83272), (296, 72863), (392, 55019), (518, 41636), (1036, 20818), (1487, 14504), (1813, 11896), (2072, 10409), (2974, 7252), (3626, 5948)]