21913776

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4954

約数の個数: 60

約数和(自身を含む): 63319360

約数和(自身を除く): 41405584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4909, 9818, 14727, 19636, 29454, 39272, 44181, 58908, 78544, 88362, 117816, 152179, 176724, 235632, 304358, 353448, 456537, 608716, 706896, 913074, 1217432, 1369611, 1826148, 2434864, 2739222, 3652296, 5478444, 7304592, 10956888, 21913776]

約数ペア:

[(1, 21913776), (2, 10956888), (3, 7304592), (4, 5478444), (6, 3652296), (8, 2739222), (9, 2434864), (12, 1826148), (16, 1369611), (18, 1217432), (24, 913074), (31, 706896), (36, 608716), (48, 456537), (62, 353448), (72, 304358), (93, 235632), (124, 176724), (144, 152179), (186, 117816), (248, 88362), (279, 78544), (372, 58908), (496, 44181), (558, 39272), (744, 29454), (1116, 19636), (1488, 14727), (2232, 9818), (4464, 4909)]