21699804544

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{811147}}^1$

素因数の和:811191

約数の個数: 64

約数和(自身を含む): 49642257600

約数和(自身を除く): 27942453056

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 128, 152, 176, 209, 304, 352, 418, 608, 704, 836, 1216, 1408, 1672, 2432, 3344, 6688, 13376, 26752, 811147, 1622294, 3244588, 6489176, 8922617, 12978352, 15411793, 17845234, 25956704, 30823586, 35690468, 51913408, 61647172, 71380936, 103826816, 123294344, 142761872, 169529723, 246588688, 285523744, 339059446, 493177376, 571047488, 678118892, 986354752, 1142094976, 1356237784, 1972709504, 2712475568, 5424951136, 10849902272, 21699804544]

約数ペア:

[(1, 21699804544), (2, 10849902272), (4, 5424951136), (8, 2712475568), (11, 1972709504), (16, 1356237784), (19, 1142094976), (22, 986354752), (32, 678118892), (38, 571047488), (44, 493177376), (64, 339059446), (76, 285523744), (88, 246588688), (128, 169529723), (152, 142761872), (176, 123294344), (209, 103826816), (304, 71380936), (352, 61647172), (418, 51913408), (608, 35690468), (704, 30823586), (836, 25956704), (1216, 17845234), (1408, 15411793), (1672, 12978352), (2432, 8922617), (3344, 6489176), (6688, 3244588), (13376, 1622294), (26752, 811147)]