21374865792018

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{124253693}}^1$

素因数の和:124254223

約数の個数: 48

約数和(自身を含む): 48846612185280

約数和(自身を除く): 27471746393262

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 503, 1006, 1509, 3018, 4527, 9054, 9557, 19114, 28671, 57342, 86013, 172026, 124253693, 248507386, 372761079, 745522158, 1118283237, 2236566474, 2360820167, 4721640334, 7082460501, 14164921002, 21247381503, 42494763006, 62499607579, 124999215158, 187498822737, 374997645474, 562496468211, 1124992936422, 1187492544001, 2374985088002, 3562477632003, 7124955264006, 10687432896009, 21374865792018]

約数ペア:

[(1, 21374865792018), (2, 10687432896009), (3, 7124955264006), (6, 3562477632003), (9, 2374985088002), (18, 1187492544001), (19, 1124992936422), (38, 562496468211), (57, 374997645474), (114, 187498822737), (171, 124999215158), (342, 62499607579), (503, 42494763006), (1006, 21247381503), (1509, 14164921002), (3018, 7082460501), (4527, 4721640334), (9054, 2360820167), (9557, 2236566474), (19114, 1118283237), (28671, 745522158), (57342, 372761079), (86013, 248507386), (172026, 124253693)]