21031696

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2377}}^1$

素因数の和:2471

約数の個数: 40

約数和(自身を含む): 47179520

約数和(自身を除く): 26147824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 2377, 4424, 4754, 8848, 9508, 16639, 19016, 33278, 38032, 66556, 133112, 187783, 266224, 375566, 751132, 1314481, 1502264, 2628962, 3004528, 5257924, 10515848, 21031696]

約数ペア:

[(1, 21031696), (2, 10515848), (4, 5257924), (7, 3004528), (8, 2628962), (14, 1502264), (16, 1314481), (28, 751132), (56, 375566), (79, 266224), (112, 187783), (158, 133112), (316, 66556), (553, 38032), (632, 33278), (1106, 19016), (1264, 16639), (2212, 9508), (2377, 8848), (4424, 4754)]