21798678797

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{34367}}^1$

素因数の和:34521

約数の個数: 32

約数和(自身を含む): 26746552320

約数和(自身を除く): 4947873523

約数列:

[1, 7, 31, 37, 79, 217, 259, 553, 1147, 2449, 2923, 8029, 17143, 20461, 34367, 90613, 240569, 634291, 1065377, 1271579, 2714993, 7457639, 8901053, 19004951, 39418949, 84164783, 100454741, 275932643, 589153481, 703183187, 3114096971, 21798678797]

約数ペア:

[(1, 21798678797), (7, 3114096971), (31, 703183187), (37, 589153481), (79, 275932643), (217, 100454741), (259, 84164783), (553, 39418949), (1147, 19004951), (2449, 8901053), (2923, 7457639), (8029, 2714993), (17143, 1271579), (20461, 1065377), (34367, 634291), (90613, 240569)]