21479776

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:467

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 23033504

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 118, 124, 236, 248, 367, 472, 496, 734, 944, 992, 1468, 1829, 1888, 2936, 3658, 5872, 7316, 11377, 11744, 14632, 21653, 22754, 29264, 43306, 45508, 58528, 86612, 91016, 173224, 182032, 346448, 364064, 671243, 692896, 1342486, 2684972, 5369944, 10739888, 21479776]

約数ペア:

[(1, 21479776), (2, 10739888), (4, 5369944), (8, 2684972), (16, 1342486), (31, 692896), (32, 671243), (59, 364064), (62, 346448), (118, 182032), (124, 173224), (236, 91016), (248, 86612), (367, 58528), (472, 45508), (496, 43306), (734, 29264), (944, 22754), (992, 21653), (1468, 14632), (1829, 11744), (1888, 11377), (2936, 7316), (3658, 5872)]