21741512

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{1237}}^1$

素因数の和:1282

約数の個数: 32

約数和(自身を含む): 44196600

約数和(自身を除く): 22455088

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1237, 1352, 2197, 2474, 4394, 4948, 8788, 9896, 16081, 17576, 32162, 64324, 128648, 209053, 418106, 836212, 1672424, 2717689, 5435378, 10870756, 21741512]

約数ペア:

[(1, 21741512), (2, 10870756), (4, 5435378), (8, 2717689), (13, 1672424), (26, 836212), (52, 418106), (104, 209053), (169, 128648), (338, 64324), (676, 32162), (1237, 17576), (1352, 16081), (2197, 9896), (2474, 8788), (4394, 4948)]