21673656

素因数分解:

$2^3\times 3^5\times {\mathrm{11149}}^1$

素因数の和:11170

約数の個数: 48

約数和(自身を含む): 60879000

約数和(自身を除く): 39205344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 11149, 22298, 33447, 44596, 66894, 89192, 100341, 133788, 200682, 267576, 301023, 401364, 602046, 802728, 903069, 1204092, 1806138, 2408184, 2709207, 3612276, 5418414, 7224552, 10836828, 21673656]

約数ペア:

[(1, 21673656), (2, 10836828), (3, 7224552), (4, 5418414), (6, 3612276), (8, 2709207), (9, 2408184), (12, 1806138), (18, 1204092), (24, 903069), (27, 802728), (36, 602046), (54, 401364), (72, 301023), (81, 267576), (108, 200682), (162, 133788), (216, 100341), (243, 89192), (324, 66894), (486, 44596), (648, 33447), (972, 22298), (1944, 11149)]