21682010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{44249}}^1$

素因数の和:44270

約数の個数: 24

約数和(自身を含む): 45400500

約数和(自身を除く): 23718490

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 44249, 88498, 221245, 309743, 442490, 619486, 1548715, 2168201, 3097430, 4336402, 10841005, 21682010]

約数ペア:

[(1, 21682010), (2, 10841005), (5, 4336402), (7, 3097430), (10, 2168201), (14, 1548715), (35, 619486), (49, 442490), (70, 309743), (98, 221245), (245, 88498), (490, 44249)]