21393792

素因数分解:

$2^7\times 3^2\times 7^2\times {\mathrm{379}}^1$

素因数の和:413

約数の個数: 144

約数和(自身を含む): 71802900

約数和(自身を除く): 50409108

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 128, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 379, 384, 392, 441, 448, 504, 576, 588, 672, 758, 784, 882, 896, 1008, 1137, 1152, 1176, 1344, 1516, 1568, 1764, 2016, 2274, 2352, 2653, 2688, 3032, 3136, 3411, 3528, 4032, 4548, 4704, 5306, 6064, 6272, 6822, 7056, 7959, 8064, 9096, 9408, 10612, 12128, 13644, 14112, 15918, 18192, 18571, 18816, 21224, 23877, 24256, 27288, 28224, 31836, 36384, 37142, 42448, 47754, 48512, 54576, 55713, 56448, 63672, 72768, 74284, 84896, 95508, 109152, 111426, 127344, 145536, 148568, 167139, 169792, 191016, 218304, 222852, 254688, 297136, 334278, 339584, 382032, 436608, 445704, 509376, 594272, 668556, 764064, 891408, 1018752, 1188544, 1337112, 1528128, 1782816, 2377088, 2674224, 3056256, 3565632, 5348448, 7131264, 10696896, 21393792]

約数ペア:

[(1, 21393792), (2, 10696896), (3, 7131264), (4, 5348448), (6, 3565632), (7, 3056256), (8, 2674224), (9, 2377088), (12, 1782816), (14, 1528128), (16, 1337112), (18, 1188544), (21, 1018752), (24, 891408), (28, 764064), (32, 668556), (36, 594272), (42, 509376), (48, 445704), (49, 436608), (56, 382032), (63, 339584), (64, 334278), (72, 297136), (84, 254688), (96, 222852), (98, 218304), (112, 191016), (126, 169792), (128, 167139), (144, 148568), (147, 145536), (168, 127344), (192, 111426), (196, 109152), (224, 95508), (252, 84896), (288, 74284), (294, 72768), (336, 63672), (379, 56448), (384, 55713), (392, 54576), (441, 48512), (448, 47754), (504, 42448), (576, 37142), (588, 36384), (672, 31836), (758, 28224), (784, 27288), (882, 24256), (896, 23877), (1008, 21224), (1137, 18816), (1152, 18571), (1176, 18192), (1344, 15918), (1516, 14112), (1568, 13644), (1764, 12128), (2016, 10612), (2274, 9408), (2352, 9096), (2653, 8064), (2688, 7959), (3032, 7056), (3136, 6822), (3411, 6272), (3528, 6064), (4032, 5306), (4548, 4704)]