21200672

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{10861}}^1$

素因数の和:10932

約数の個数: 24

約数和(自身を含む): 42426972

約数和(自身を除く): 21226300

約数列:

[1, 2, 4, 8, 16, 32, 61, 122, 244, 488, 976, 1952, 10861, 21722, 43444, 86888, 173776, 347552, 662521, 1325042, 2650084, 5300168, 10600336, 21200672]

約数ペア:

[(1, 21200672), (2, 10600336), (4, 5300168), (8, 2650084), (16, 1325042), (32, 662521), (61, 347552), (122, 173776), (244, 86888), (488, 43444), (976, 21722), (1952, 10861)]