21478896

素因数分解:

$2^4\times 3^2\times {\mathrm{149159}}^1$

素因数の和:149173

約数の個数: 30

約数和(自身を含む): 60111480

約数和(自身を除く): 38632584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 149159, 298318, 447477, 596636, 894954, 1193272, 1342431, 1789908, 2386544, 2684862, 3579816, 5369724, 7159632, 10739448, 21478896]

約数ペア:

[(1, 21478896), (2, 10739448), (3, 7159632), (4, 5369724), (6, 3579816), (8, 2684862), (9, 2386544), (12, 1789908), (16, 1342431), (18, 1193272), (24, 894954), (36, 596636), (48, 447477), (72, 298318), (144, 149159)]