2021081296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{65213}}^1$

素因数の和:65383

約数の個数: 40

約数和(自身を含む): 4245431400

約数和(自身を除く): 2224350104

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 1192, 1937, 2384, 3874, 7748, 15496, 30992, 65213, 130426, 260852, 521704, 847769, 1043408, 1695538, 3391076, 6782152, 9716737, 13564304, 19433474, 38866948, 77733896, 126317581, 155467792, 252635162, 505270324, 1010540648, 2021081296]

約数ペア:

[(1, 2021081296), (2, 1010540648), (4, 505270324), (8, 252635162), (13, 155467792), (16, 126317581), (26, 77733896), (52, 38866948), (104, 19433474), (149, 13564304), (208, 9716737), (298, 6782152), (596, 3391076), (1192, 1695538), (1937, 1043408), (2384, 847769), (3874, 521704), (7748, 260852), (15496, 130426), (30992, 65213)]