21196998

素因数分解:

$2^1\times 3^3\times {\mathrm{173}}^1\times {\mathrm{2269}}^1$

素因数の和:2453

約数の個数: 32

約数和(自身を含む): 47397600

約数和(自身を除く): 26200602

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 173, 346, 519, 1038, 1557, 2269, 3114, 4538, 4671, 6807, 9342, 13614, 20421, 40842, 61263, 122526, 392537, 785074, 1177611, 2355222, 3532833, 7065666, 10598499, 21196998]

約数ペア:

[(1, 21196998), (2, 10598499), (3, 7065666), (6, 3532833), (9, 2355222), (18, 1177611), (27, 785074), (54, 392537), (173, 122526), (346, 61263), (519, 40842), (1038, 20421), (1557, 13614), (2269, 9342), (3114, 6807), (4538, 4671)]