21991132

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{17021}}^1$

素因数の和:17061

約数の個数: 24

約数和(自身を含む): 42895440

約数和(自身を除く): 20904308

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 17021, 34042, 68084, 289357, 323399, 578714, 646798, 1157428, 1293596, 5497783, 10995566, 21991132]

約数ペア:

[(1, 21991132), (2, 10995566), (4, 5497783), (17, 1293596), (19, 1157428), (34, 646798), (38, 578714), (68, 323399), (76, 289357), (323, 68084), (646, 34042), (1292, 17021)]