21054618

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89977}}^1$

素因数の和:89998

約数の個数: 24

約数和(自身を含む): 49127988

約数和(自身を除く): 28073370

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89977, 179954, 269931, 539862, 809793, 1169701, 1619586, 2339402, 3509103, 7018206, 10527309, 21054618]

約数ペア:

[(1, 21054618), (2, 10527309), (3, 7018206), (6, 3509103), (9, 2339402), (13, 1619586), (18, 1169701), (26, 809793), (39, 539862), (78, 269931), (117, 179954), (234, 89977)]