21983236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{7457}}^1$

素因数の和:7539

約数の個数: 24

約数和(自身を含む): 42600096

約数和(自身を除く): 20616860

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 7457, 14914, 29828, 82027, 164054, 328108, 499619, 999238, 1998476, 5495809, 10991618, 21983236]

約数ペア:

[(1, 21983236), (2, 10991618), (4, 5495809), (11, 1998476), (22, 999238), (44, 499619), (67, 328108), (134, 164054), (268, 82027), (737, 29828), (1474, 14914), (2948, 7457)]