21978296

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1811}}^1$

素因数の和:1895

約数の個数: 32

約数和(自身を含む): 43379280

約数和(自身を除く): 21400984

約数列:

[1, 2, 4, 8, 37, 41, 74, 82, 148, 164, 296, 328, 1517, 1811, 3034, 3622, 6068, 7244, 12136, 14488, 67007, 74251, 134014, 148502, 268028, 297004, 536056, 594008, 2747287, 5494574, 10989148, 21978296]

約数ペア:

[(1, 21978296), (2, 10989148), (4, 5494574), (8, 2747287), (37, 594008), (41, 536056), (74, 297004), (82, 268028), (148, 148502), (164, 134014), (296, 74251), (328, 67007), (1517, 14488), (1811, 12136), (3034, 7244), (3622, 6068)]