21398760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59441}}^1$

素因数の和:59458

約数の個数: 48

約数和(自身を含む): 69547140

約数和(自身を除く): 48148380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59441, 118882, 178323, 237764, 297205, 356646, 475528, 534969, 594410, 713292, 891615, 1069938, 1188820, 1426584, 1783230, 2139876, 2377640, 2674845, 3566460, 4279752, 5349690, 7132920, 10699380, 21398760]

約数ペア:

[(1, 21398760), (2, 10699380), (3, 7132920), (4, 5349690), (5, 4279752), (6, 3566460), (8, 2674845), (9, 2377640), (10, 2139876), (12, 1783230), (15, 1426584), (18, 1188820), (20, 1069938), (24, 891615), (30, 713292), (36, 594410), (40, 534969), (45, 475528), (60, 356646), (72, 297205), (90, 237764), (120, 178323), (180, 118882), (360, 59441)]