21765310

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1033}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 46678896

約数和(自身を除く): 24913586

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 49, 70, 86, 98, 215, 245, 301, 430, 490, 602, 1033, 1505, 2066, 2107, 3010, 4214, 5165, 7231, 10330, 10535, 14462, 21070, 36155, 44419, 50617, 72310, 88838, 101234, 222095, 253085, 310933, 444190, 506170, 621866, 1554665, 2176531, 3109330, 4353062, 10882655, 21765310]

約数ペア:

[(1, 21765310), (2, 10882655), (5, 4353062), (7, 3109330), (10, 2176531), (14, 1554665), (35, 621866), (43, 506170), (49, 444190), (70, 310933), (86, 253085), (98, 222095), (215, 101234), (245, 88838), (301, 72310), (430, 50617), (490, 44419), (602, 36155), (1033, 21070), (1505, 14462), (2066, 10535), (2107, 10330), (3010, 7231), (4214, 5165)]