21723033

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 9795687

約数列:

[1, 3, 31, 37, 59, 93, 107, 111, 177, 321, 1147, 1829, 2183, 3317, 3441, 3959, 5487, 6313, 6549, 9951, 11877, 18939, 67673, 122729, 195703, 203019, 233581, 368187, 587109, 700743, 7241011, 21723033]

約数ペア:

[(1, 21723033), (3, 7241011), (31, 700743), (37, 587109), (59, 368187), (93, 233581), (107, 203019), (111, 195703), (177, 122729), (321, 67673), (1147, 18939), (1829, 11877), (2183, 9951), (3317, 6549), (3441, 6313), (3959, 5487)]