21894850

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 43211520

約数和(自身を除く): 21316670

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 79, 115, 158, 230, 241, 395, 482, 575, 790, 1150, 1205, 1817, 1975, 2410, 3634, 3950, 5543, 6025, 9085, 11086, 12050, 18170, 19039, 27715, 38078, 45425, 55430, 90850, 95195, 138575, 190390, 277150, 437897, 475975, 875794, 951950, 2189485, 4378970, 10947425, 21894850]

約数ペア:

[(1, 21894850), (2, 10947425), (5, 4378970), (10, 2189485), (23, 951950), (25, 875794), (46, 475975), (50, 437897), (79, 277150), (115, 190390), (158, 138575), (230, 95195), (241, 90850), (395, 55430), (482, 45425), (575, 38078), (790, 27715), (1150, 19039), (1205, 18170), (1817, 12050), (1975, 11086), (2410, 9085), (3634, 6025), (3950, 5543)]