21381552

素因数分解:

$2^4\times 3^2\times {\mathrm{148483}}^1$

素因数の和:148497

約数の個数: 30

約数和(自身を含む): 59839052

約数和(自身を除く): 38457500

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 148483, 296966, 445449, 593932, 890898, 1187864, 1336347, 1781796, 2375728, 2672694, 3563592, 5345388, 7127184, 10690776, 21381552]

約数ペア:

[(1, 21381552), (2, 10690776), (3, 7127184), (4, 5345388), (6, 3563592), (8, 2672694), (9, 2375728), (12, 1781796), (16, 1336347), (18, 1187864), (24, 890898), (36, 593932), (48, 445449), (72, 296966), (144, 148483)]