21394282

素因数分解:

$2^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{2399}}^1$

素因数の和:2435

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 18925718

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 343, 637, 686, 1274, 2399, 4459, 4798, 8918, 16793, 31187, 33586, 62374, 117551, 218309, 235102, 436618, 822857, 1528163, 1645714, 3056326, 10697141, 21394282]

約数ペア:

[(1, 21394282), (2, 10697141), (7, 3056326), (13, 1645714), (14, 1528163), (26, 822857), (49, 436618), (91, 235102), (98, 218309), (182, 117551), (343, 62374), (637, 33586), (686, 31187), (1274, 16793), (2399, 8918), (4459, 4798)]