21572392

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{241}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 41469120

約数和(自身を除く): 19896728

約数列:

[1, 2, 4, 8, 67, 134, 167, 241, 268, 334, 482, 536, 668, 964, 1336, 1928, 11189, 16147, 22378, 32294, 40247, 44756, 64588, 80494, 89512, 129176, 160988, 321976, 2696549, 5393098, 10786196, 21572392]

約数ペア:

[(1, 21572392), (2, 10786196), (4, 5393098), (8, 2696549), (67, 321976), (134, 160988), (167, 129176), (241, 89512), (268, 80494), (334, 64588), (482, 44756), (536, 40247), (668, 32294), (964, 22378), (1336, 16147), (1928, 11189)]