20211378

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{821}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 44269632

約数和(自身を除く): 24058254

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 373, 746, 821, 1119, 1642, 2238, 2463, 4103, 4926, 8206, 9031, 12309, 18062, 24618, 27093, 54186, 306233, 612466, 918699, 1837398, 3368563, 6737126, 10105689, 20211378]

約数ペア:

[(1, 20211378), (2, 10105689), (3, 6737126), (6, 3368563), (11, 1837398), (22, 918699), (33, 612466), (66, 306233), (373, 54186), (746, 27093), (821, 24618), (1119, 18062), (1642, 12309), (2238, 9031), (2463, 8206), (4103, 4926)]