21891648

素因数分解:

$2^6\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1$

素因数の和:404

約数の個数: 112

約数和(自身を含む): 64739520

約数和(自身を除く): 42847872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 64, 68, 76, 96, 102, 114, 136, 152, 192, 204, 228, 272, 304, 323, 353, 408, 456, 544, 608, 646, 706, 816, 912, 969, 1059, 1088, 1216, 1292, 1412, 1632, 1824, 1938, 2118, 2584, 2824, 3264, 3648, 3876, 4236, 5168, 5648, 6001, 6707, 7752, 8472, 10336, 11296, 12002, 13414, 15504, 16944, 18003, 20121, 20672, 22592, 24004, 26828, 31008, 33888, 36006, 40242, 48008, 53656, 62016, 67776, 72012, 80484, 96016, 107312, 114019, 144024, 160968, 192032, 214624, 228038, 288048, 321936, 342057, 384064, 429248, 456076, 576096, 643872, 684114, 912152, 1152192, 1287744, 1368228, 1824304, 2736456, 3648608, 5472912, 7297216, 10945824, 21891648]

約数ペア:

[(1, 21891648), (2, 10945824), (3, 7297216), (4, 5472912), (6, 3648608), (8, 2736456), (12, 1824304), (16, 1368228), (17, 1287744), (19, 1152192), (24, 912152), (32, 684114), (34, 643872), (38, 576096), (48, 456076), (51, 429248), (57, 384064), (64, 342057), (68, 321936), (76, 288048), (96, 228038), (102, 214624), (114, 192032), (136, 160968), (152, 144024), (192, 114019), (204, 107312), (228, 96016), (272, 80484), (304, 72012), (323, 67776), (353, 62016), (408, 53656), (456, 48008), (544, 40242), (608, 36006), (646, 33888), (706, 31008), (816, 26828), (912, 24004), (969, 22592), (1059, 20672), (1088, 20121), (1216, 18003), (1292, 16944), (1412, 15504), (1632, 13414), (1824, 12002), (1938, 11296), (2118, 10336), (2584, 8472), (2824, 7752), (3264, 6707), (3648, 6001), (3876, 5648), (4236, 5168)]