21741448

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1091}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 20715512

約数列:

[1, 2, 4, 8, 47, 53, 94, 106, 188, 212, 376, 424, 1091, 2182, 2491, 4364, 4982, 8728, 9964, 19928, 51277, 57823, 102554, 115646, 205108, 231292, 410216, 462584, 2717681, 5435362, 10870724, 21741448]

約数ペア:

[(1, 21741448), (2, 10870724), (4, 5435362), (8, 2717681), (47, 462584), (53, 410216), (94, 231292), (106, 205108), (188, 115646), (212, 102554), (376, 57823), (424, 51277), (1091, 19928), (2182, 9964), (2491, 8728), (4364, 4982)]