21835971458

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1\times {\mathrm{25541}}^1$

素因数の和:26402

約数の個数: 32

約数和(自身を含む): 37957455360

約数和(自身を除く): 16121483902

約数列:

[1, 2, 7, 14, 79, 158, 553, 773, 1106, 1546, 5411, 10822, 25541, 51082, 61067, 122134, 178787, 357574, 427469, 854938, 2017739, 4035478, 14124173, 19743193, 28248346, 39486386, 138202351, 276404702, 1559712247, 3119424494, 10917985729, 21835971458]

約数ペア:

[(1, 21835971458), (2, 10917985729), (7, 3119424494), (14, 1559712247), (79, 276404702), (158, 138202351), (553, 39486386), (773, 28248346), (1106, 19743193), (1546, 14124173), (5411, 4035478), (10822, 2017739), (25541, 854938), (51082, 427469), (61067, 357574), (122134, 178787)]