21917552

素因数分解:

$2^4\times {\mathrm{619}}^1\times {\mathrm{2213}}^1$

素因数の和:2840

約数の個数: 20

約数和(自身を含む): 42553080

約数和(自身を除く): 20635528

約数列:

[1, 2, 4, 8, 16, 619, 1238, 2213, 2476, 4426, 4952, 8852, 9904, 17704, 35408, 1369847, 2739694, 5479388, 10958776, 21917552]

約数ペア:

[(1, 21917552), (2, 10958776), (4, 5479388), (8, 2739694), (16, 1369847), (619, 35408), (1238, 17704), (2213, 9904), (2476, 8852), (4426, 4952)]