21559756

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9151}}^1$

素因数の和:9205

約数の個数: 24

約数和(自身を含む): 41000960

約数和(自身を除く): 19441204

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 9151, 18302, 36604, 173869, 283681, 347738, 567362, 695476, 1134724, 5389939, 10779878, 21559756]

約数ペア:

[(1, 21559756), (2, 10779878), (4, 5389939), (19, 1134724), (31, 695476), (38, 567362), (62, 347738), (76, 283681), (124, 173869), (589, 36604), (1178, 18302), (2356, 9151)]