21665736

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4933}}^1$

素因数の和:5006

約数の個数: 48

約数和(自身を含む): 59652060

約数和(自身を除く): 37986324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4933, 9866, 14799, 19732, 29598, 39464, 44397, 59196, 88794, 118392, 177588, 300913, 355176, 601826, 902739, 1203652, 1805478, 2407304, 2708217, 3610956, 5416434, 7221912, 10832868, 21665736]

約数ペア:

[(1, 21665736), (2, 10832868), (3, 7221912), (4, 5416434), (6, 3610956), (8, 2708217), (9, 2407304), (12, 1805478), (18, 1203652), (24, 902739), (36, 601826), (61, 355176), (72, 300913), (122, 177588), (183, 118392), (244, 88794), (366, 59196), (488, 44397), (549, 39464), (732, 29598), (1098, 19732), (1464, 14799), (2196, 9866), (4392, 4933)]