21093952

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:144

約数の個数: 84

約数和(自身を含む): 48774096

約数和(自身を除く): 27680144

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 83, 88, 152, 166, 176, 209, 304, 332, 352, 361, 418, 608, 664, 704, 722, 836, 913, 1216, 1328, 1444, 1577, 1672, 1826, 2656, 2888, 3154, 3344, 3652, 3971, 5312, 5776, 6308, 6688, 7304, 7942, 11552, 12616, 13376, 14608, 15884, 17347, 23104, 25232, 29216, 29963, 31768, 34694, 50464, 58432, 59926, 63536, 69388, 100928, 119852, 127072, 138776, 239704, 254144, 277552, 329593, 479408, 555104, 659186, 958816, 1110208, 1318372, 1917632, 2636744, 5273488, 10546976, 21093952]

約数ペア:

[(1, 21093952), (2, 10546976), (4, 5273488), (8, 2636744), (11, 1917632), (16, 1318372), (19, 1110208), (22, 958816), (32, 659186), (38, 555104), (44, 479408), (64, 329593), (76, 277552), (83, 254144), (88, 239704), (152, 138776), (166, 127072), (176, 119852), (209, 100928), (304, 69388), (332, 63536), (352, 59926), (361, 58432), (418, 50464), (608, 34694), (664, 31768), (704, 29963), (722, 29216), (836, 25232), (913, 23104), (1216, 17347), (1328, 15884), (1444, 14608), (1577, 13376), (1672, 12616), (1826, 11552), (2656, 7942), (2888, 7304), (3154, 6688), (3344, 6308), (3652, 5776), (3971, 5312)]