21644216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{3671}}^1$

素因数の和:3755

約数の個数: 32

約数和(自身を含む): 44945280

約数和(自身を除く): 23301064

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 3671, 5896, 7342, 14684, 29368, 40381, 80762, 161524, 245957, 323048, 491914, 983828, 1967656, 2705527, 5411054, 10822108, 21644216]

約数ペア:

[(1, 21644216), (2, 10822108), (4, 5411054), (8, 2705527), (11, 1967656), (22, 983828), (44, 491914), (67, 323048), (88, 245957), (134, 161524), (268, 80762), (536, 40381), (737, 29368), (1474, 14684), (2948, 7342), (3671, 5896)]