21457008

素因数分解:

$2^4\times 3^3\times {\mathrm{49669}}^1$

素因数の和:49686

約数の個数: 40

約数和(自身を含む): 61590800

約数和(自身を除く): 40133792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 49669, 99338, 149007, 198676, 298014, 397352, 447021, 596028, 794704, 894042, 1192056, 1341063, 1788084, 2384112, 2682126, 3576168, 5364252, 7152336, 10728504, 21457008]

約数ペア:

[(1, 21457008), (2, 10728504), (3, 7152336), (4, 5364252), (6, 3576168), (8, 2682126), (9, 2384112), (12, 1788084), (16, 1341063), (18, 1192056), (24, 894042), (27, 794704), (36, 596028), (48, 447021), (54, 397352), (72, 298014), (108, 198676), (144, 149007), (216, 99338), (432, 49669)]