21000346744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1337261}}^1$

素因数の和:1337431

約数の個数: 32

約数和(自身を含む): 42685403040

約数和(自身を除く): 21685056296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 151, 302, 604, 1208, 1963, 3926, 7852, 15704, 1337261, 2674522, 5349044, 10698088, 17384393, 34768786, 69537572, 139075144, 201926411, 403852822, 807705644, 1615411288, 2625043343, 5250086686, 10500173372, 21000346744]

約数ペア:

[(1, 21000346744), (2, 10500173372), (4, 5250086686), (8, 2625043343), (13, 1615411288), (26, 807705644), (52, 403852822), (104, 201926411), (151, 139075144), (302, 69537572), (604, 34768786), (1208, 17384393), (1963, 10698088), (3926, 5349044), (7852, 2674522), (15704, 1337261)]