21518336

素因数分解:

$2^{11}\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 96

約数和(自身を含む): 52416000

約数和(自身を除く): 30897664

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 79, 112, 128, 133, 152, 158, 224, 256, 266, 304, 316, 448, 512, 532, 553, 608, 632, 896, 1024, 1064, 1106, 1216, 1264, 1501, 1792, 2048, 2128, 2212, 2432, 2528, 3002, 3584, 4256, 4424, 4864, 5056, 6004, 7168, 8512, 8848, 9728, 10112, 10507, 12008, 14336, 17024, 17696, 19456, 20224, 21014, 24016, 34048, 35392, 38912, 40448, 42028, 48032, 68096, 70784, 80896, 84056, 96064, 136192, 141568, 161792, 168112, 192128, 272384, 283136, 336224, 384256, 566272, 672448, 768512, 1132544, 1344896, 1537024, 2689792, 3074048, 5379584, 10759168, 21518336]

約数ペア:

[(1, 21518336), (2, 10759168), (4, 5379584), (7, 3074048), (8, 2689792), (14, 1537024), (16, 1344896), (19, 1132544), (28, 768512), (32, 672448), (38, 566272), (56, 384256), (64, 336224), (76, 283136), (79, 272384), (112, 192128), (128, 168112), (133, 161792), (152, 141568), (158, 136192), (224, 96064), (256, 84056), (266, 80896), (304, 70784), (316, 68096), (448, 48032), (512, 42028), (532, 40448), (553, 38912), (608, 35392), (632, 34048), (896, 24016), (1024, 21014), (1064, 20224), (1106, 19456), (1216, 17696), (1264, 17024), (1501, 14336), (1792, 12008), (2048, 10507), (2128, 10112), (2212, 9728), (2432, 8848), (2528, 8512), (3002, 7168), (3584, 6004), (4256, 5056), (4424, 4864)]