21818141408

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{991}}^1$

素因数の和:1773

約数の個数: 144

約数和(自身を含む): 52721625600

約数和(自身を除く): 30903484192

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 739, 784, 931, 991, 1064, 1478, 1568, 1862, 1982, 2128, 2956, 3724, 3964, 4256, 5173, 5912, 6937, 7448, 7928, 10346, 11824, 13874, 14041, 14896, 15856, 18829, 20692, 23648, 27748, 28082, 29792, 31712, 36211, 37658, 41384, 48559, 55496, 56164, 72422, 75316, 82768, 97118, 98287, 110992, 112328, 131803, 144844, 150632, 165536, 194236, 196574, 221984, 224656, 263606, 289688, 301264, 388472, 393148, 449312, 527212, 579376, 602528, 688009, 732349, 776944, 786296, 922621, 1054424, 1158752, 1376018, 1464698, 1553888, 1572592, 1845242, 2108848, 2752036, 2929396, 3145184, 3690484, 4217696, 5126443, 5504072, 5858792, 7380968, 10252886, 11008144, 11717584, 13914631, 14761936, 20505772, 22016288, 23435168, 27829262, 29523872, 35885101, 41011544, 55658524, 71770202, 82023088, 97402417, 111317048, 143540404, 164046176, 194804834, 222634096, 287080808, 389609668, 445268192, 574161616, 681816919, 779219336, 1148323232, 1363633838, 1558438672, 2727267676, 3116877344, 5454535352, 10909070704, 21818141408]

約数ペア:

[(1, 21818141408), (2, 10909070704), (4, 5454535352), (7, 3116877344), (8, 2727267676), (14, 1558438672), (16, 1363633838), (19, 1148323232), (28, 779219336), (32, 681816919), (38, 574161616), (49, 445268192), (56, 389609668), (76, 287080808), (98, 222634096), (112, 194804834), (133, 164046176), (152, 143540404), (196, 111317048), (224, 97402417), (266, 82023088), (304, 71770202), (392, 55658524), (532, 41011544), (608, 35885101), (739, 29523872), (784, 27829262), (931, 23435168), (991, 22016288), (1064, 20505772), (1478, 14761936), (1568, 13914631), (1862, 11717584), (1982, 11008144), (2128, 10252886), (2956, 7380968), (3724, 5858792), (3964, 5504072), (4256, 5126443), (5173, 4217696), (5912, 3690484), (6937, 3145184), (7448, 2929396), (7928, 2752036), (10346, 2108848), (11824, 1845242), (13874, 1572592), (14041, 1553888), (14896, 1464698), (15856, 1376018), (18829, 1158752), (20692, 1054424), (23648, 922621), (27748, 786296), (28082, 776944), (29792, 732349), (31712, 688009), (36211, 602528), (37658, 579376), (41384, 527212), (48559, 449312), (55496, 393148), (56164, 388472), (72422, 301264), (75316, 289688), (82768, 263606), (97118, 224656), (98287, 221984), (110992, 196574), (112328, 194236), (131803, 165536), (144844, 150632)]