21955264920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{20328949}}^1$

素因数の和:20328969

約数の個数: 64

約数和(自身を含む): 73184220000

約数和(自身を除く): 51228955080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 20328949, 40657898, 60986847, 81315796, 101644745, 121973694, 162631592, 182960541, 203289490, 243947388, 304934235, 365921082, 406578980, 487894776, 548881623, 609868470, 731842164, 813157960, 914802705, 1097763246, 1219736940, 1463684328, 1829605410, 2195526492, 2439473880, 2744408115, 3659210820, 4391052984, 5488816230, 7318421640, 10977632460, 21955264920]

約数ペア:

[(1, 21955264920), (2, 10977632460), (3, 7318421640), (4, 5488816230), (5, 4391052984), (6, 3659210820), (8, 2744408115), (9, 2439473880), (10, 2195526492), (12, 1829605410), (15, 1463684328), (18, 1219736940), (20, 1097763246), (24, 914802705), (27, 813157960), (30, 731842164), (36, 609868470), (40, 548881623), (45, 487894776), (54, 406578980), (60, 365921082), (72, 304934235), (90, 243947388), (108, 203289490), (120, 182960541), (135, 162631592), (180, 121973694), (216, 101644745), (270, 81315796), (360, 60986847), (540, 40657898), (1080, 20328949)]