21156918

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8069}}^1$

素因数の和:8116

約数の個数: 32

約数和(自身を含む): 46483200

約数和(自身を除く): 25326282

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 8069, 16138, 24207, 48414, 153311, 185587, 306622, 371174, 459933, 556761, 919866, 1113522, 3526153, 7052306, 10578459, 21156918]

約数ペア:

[(1, 21156918), (2, 10578459), (3, 7052306), (6, 3526153), (19, 1113522), (23, 919866), (38, 556761), (46, 459933), (57, 371174), (69, 306622), (114, 185587), (138, 153311), (437, 48414), (874, 24207), (1311, 16138), (2622, 8069)]