21395664

素因数分解:

$2^4\times 3^5\times {\mathrm{5503}}^1$

素因数の和:5526

約数の個数: 60

約数和(自身を含む): 62107136

約数和(自身を除く): 40711472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5503, 11006, 16509, 22012, 33018, 44024, 49527, 66036, 88048, 99054, 132072, 148581, 198108, 264144, 297162, 396216, 445743, 594324, 792432, 891486, 1188648, 1337229, 1782972, 2377296, 2674458, 3565944, 5348916, 7131888, 10697832, 21395664]

約数ペア:

[(1, 21395664), (2, 10697832), (3, 7131888), (4, 5348916), (6, 3565944), (8, 2674458), (9, 2377296), (12, 1782972), (16, 1337229), (18, 1188648), (24, 891486), (27, 792432), (36, 594324), (48, 445743), (54, 396216), (72, 297162), (81, 264144), (108, 198108), (144, 148581), (162, 132072), (216, 99054), (243, 88048), (324, 66036), (432, 49527), (486, 44024), (648, 33018), (972, 22012), (1296, 16509), (1944, 11006), (3888, 5503)]