21442304

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1$

素因数の和:425

約数の個数: 72

約数和(自身を含む): 48933360

約数和(自身を除く): 27491056

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 128, 136, 208, 221, 256, 272, 379, 416, 442, 544, 758, 832, 884, 1088, 1516, 1664, 1768, 2176, 3032, 3328, 3536, 4352, 4927, 6064, 6443, 7072, 9854, 12128, 12886, 14144, 19708, 24256, 25772, 28288, 39416, 48512, 51544, 56576, 78832, 83759, 97024, 103088, 157664, 167518, 206176, 315328, 335036, 412352, 630656, 670072, 824704, 1261312, 1340144, 1649408, 2680288, 5360576, 10721152, 21442304]

約数ペア:

[(1, 21442304), (2, 10721152), (4, 5360576), (8, 2680288), (13, 1649408), (16, 1340144), (17, 1261312), (26, 824704), (32, 670072), (34, 630656), (52, 412352), (64, 335036), (68, 315328), (104, 206176), (128, 167518), (136, 157664), (208, 103088), (221, 97024), (256, 83759), (272, 78832), (379, 56576), (416, 51544), (442, 48512), (544, 39416), (758, 28288), (832, 25772), (884, 24256), (1088, 19708), (1516, 14144), (1664, 12886), (1768, 12128), (2176, 9854), (3032, 7072), (3328, 6443), (3536, 6064), (4352, 4927)]