21771888

素因数分解:

$2^4\times 3^1\times {\mathrm{409}}^1\times {\mathrm{1109}}^1$

素因数の和:1529

約数の個数: 40

約数和(自身を含む): 56432400

約数和(自身を除く): 34660512

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 409, 818, 1109, 1227, 1636, 2218, 2454, 3272, 3327, 4436, 4908, 6544, 6654, 8872, 9816, 13308, 17744, 19632, 26616, 53232, 453581, 907162, 1360743, 1814324, 2721486, 3628648, 5442972, 7257296, 10885944, 21771888]

約数ペア:

[(1, 21771888), (2, 10885944), (3, 7257296), (4, 5442972), (6, 3628648), (8, 2721486), (12, 1814324), (16, 1360743), (24, 907162), (48, 453581), (409, 53232), (818, 26616), (1109, 19632), (1227, 17744), (1636, 13308), (2218, 9816), (2454, 8872), (3272, 6654), (3327, 6544), (4436, 4908)]