21408643168

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{1913}}^1\times {\mathrm{31793}}^1$

素因数の和:33727

約数の個数: 48

約数和(自身を含む): 46005409296

約数和(自身を除く): 24596766128

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 1913, 3826, 7652, 15304, 21043, 30608, 31793, 42086, 61216, 63586, 84172, 127172, 168344, 254344, 336688, 349723, 508688, 673376, 699446, 1017376, 1398892, 2797784, 5595568, 11191136, 60820009, 121640018, 243280036, 486560072, 669020099, 973120144, 1338040198, 1946240288, 2676080396, 5352160792, 10704321584, 21408643168]

約数ペア:

[(1, 21408643168), (2, 10704321584), (4, 5352160792), (8, 2676080396), (11, 1946240288), (16, 1338040198), (22, 973120144), (32, 669020099), (44, 486560072), (88, 243280036), (176, 121640018), (352, 60820009), (1913, 11191136), (3826, 5595568), (7652, 2797784), (15304, 1398892), (21043, 1017376), (30608, 699446), (31793, 673376), (42086, 508688), (61216, 349723), (63586, 336688), (84172, 254344), (127172, 168344)]