21798684

素因数分解:

$2^2\times 3^2\times {\mathrm{269}}^1\times {\mathrm{2251}}^1$

素因数の和:2530

約数の個数: 36

約数和(自身を含む): 55331640

約数和(自身を除く): 33532956

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 269, 538, 807, 1076, 1614, 2251, 2421, 3228, 4502, 4842, 6753, 9004, 9684, 13506, 20259, 27012, 40518, 81036, 605519, 1211038, 1816557, 2422076, 3633114, 5449671, 7266228, 10899342, 21798684]

約数ペア:

[(1, 21798684), (2, 10899342), (3, 7266228), (4, 5449671), (6, 3633114), (9, 2422076), (12, 1816557), (18, 1211038), (36, 605519), (269, 81036), (538, 40518), (807, 27012), (1076, 20259), (1614, 13506), (2251, 9684), (2421, 9004), (3228, 6753), (4502, 4842)]