21856472

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 45853080

約数和(自身を除く): 23996608

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 121, 134, 242, 268, 337, 484, 536, 674, 737, 968, 1348, 1474, 2696, 2948, 3707, 5896, 7414, 8107, 14828, 16214, 22579, 29656, 32428, 40777, 45158, 64856, 81554, 90316, 163108, 180632, 248369, 326216, 496738, 993476, 1986952, 2732059, 5464118, 10928236, 21856472]

約数ペア:

[(1, 21856472), (2, 10928236), (4, 5464118), (8, 2732059), (11, 1986952), (22, 993476), (44, 496738), (67, 326216), (88, 248369), (121, 180632), (134, 163108), (242, 90316), (268, 81554), (337, 64856), (484, 45158), (536, 40777), (674, 32428), (737, 29656), (968, 22579), (1348, 16214), (1474, 14828), (2696, 8107), (2948, 7414), (3707, 5896)]