21077954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 35596800

約数和(自身を除く): 14518846

約数列:

[1, 2, 19, 29, 31, 38, 58, 62, 551, 589, 617, 899, 1102, 1178, 1234, 1798, 11723, 17081, 17893, 19127, 23446, 34162, 35786, 38254, 339967, 363413, 554683, 679934, 726826, 1109366, 10538977, 21077954]

約数ペア:

[(1, 21077954), (2, 10538977), (19, 1109366), (29, 726826), (31, 679934), (38, 554683), (58, 363413), (62, 339967), (551, 38254), (589, 35786), (617, 34162), (899, 23446), (1102, 19127), (1178, 17893), (1234, 17081), (1798, 11723)]