21745308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139393}}^1$

素因数の和:139413

約数の個数: 24

約数和(自身を含む): 54642448

約数和(自身を除く): 32897140

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 139393, 278786, 418179, 557572, 836358, 1672716, 1812109, 3624218, 5436327, 7248436, 10872654, 21745308]

約数ペア:

[(1, 21745308), (2, 10872654), (3, 7248436), (4, 5436327), (6, 3624218), (12, 1812109), (13, 1672716), (26, 836358), (39, 557572), (52, 418179), (78, 278786), (156, 139393)]