21164296

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 41149440

約数和(自身を除く): 19985144

約数列:

[1, 2, 4, 8, 37, 74, 127, 148, 254, 296, 508, 563, 1016, 1126, 2252, 4504, 4699, 9398, 18796, 20831, 37592, 41662, 71501, 83324, 143002, 166648, 286004, 572008, 2645537, 5291074, 10582148, 21164296]

約数ペア:

[(1, 21164296), (2, 10582148), (4, 5291074), (8, 2645537), (37, 572008), (74, 286004), (127, 166648), (148, 143002), (254, 83324), (296, 71501), (508, 41662), (563, 37592), (1016, 20831), (1126, 18796), (2252, 9398), (4504, 4699)]