21420952

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{22501}}^1$

素因数の和:22531

約数の個数: 32

約数和(自身を含む): 48604320

約数和(自身を除く): 27183368

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 238, 476, 952, 22501, 45002, 90004, 157507, 180008, 315014, 382517, 630028, 765034, 1260056, 1530068, 2677619, 3060136, 5355238, 10710476, 21420952]

約数ペア:

[(1, 21420952), (2, 10710476), (4, 5355238), (7, 3060136), (8, 2677619), (14, 1530068), (17, 1260056), (28, 765034), (34, 630028), (56, 382517), (68, 315014), (119, 180008), (136, 157507), (238, 90004), (476, 45002), (952, 22501)]