21731744

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1153}}^1$

素因数の和:1213

約数の個数: 48

約数和(自身を含む): 46529280

約数和(自身を除く): 24797536

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 76, 124, 152, 248, 304, 496, 589, 608, 992, 1153, 1178, 2306, 2356, 4612, 4712, 9224, 9424, 18448, 18848, 21907, 35743, 36896, 43814, 71486, 87628, 142972, 175256, 285944, 350512, 571888, 679117, 701024, 1143776, 1358234, 2716468, 5432936, 10865872, 21731744]

約数ペア:

[(1, 21731744), (2, 10865872), (4, 5432936), (8, 2716468), (16, 1358234), (19, 1143776), (31, 701024), (32, 679117), (38, 571888), (62, 350512), (76, 285944), (124, 175256), (152, 142972), (248, 87628), (304, 71486), (496, 43814), (589, 36896), (608, 35743), (992, 21907), (1153, 18848), (1178, 18448), (2306, 9424), (2356, 9224), (4612, 4712)]