21470304

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 60480000

約数和(自身を除く): 39009696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 79, 96, 114, 149, 152, 158, 228, 237, 298, 304, 316, 447, 456, 474, 596, 608, 632, 894, 912, 948, 1192, 1264, 1501, 1788, 1824, 1896, 2384, 2528, 2831, 3002, 3576, 3792, 4503, 4768, 5662, 6004, 7152, 7584, 8493, 9006, 11324, 11771, 12008, 14304, 16986, 18012, 22648, 23542, 24016, 33972, 35313, 36024, 45296, 47084, 48032, 67944, 70626, 72048, 90592, 94168, 135888, 141252, 144096, 188336, 223649, 271776, 282504, 376672, 447298, 565008, 670947, 894596, 1130016, 1341894, 1789192, 2683788, 3578384, 5367576, 7156768, 10735152, 21470304]

約数ペア:

[(1, 21470304), (2, 10735152), (3, 7156768), (4, 5367576), (6, 3578384), (8, 2683788), (12, 1789192), (16, 1341894), (19, 1130016), (24, 894596), (32, 670947), (38, 565008), (48, 447298), (57, 376672), (76, 282504), (79, 271776), (96, 223649), (114, 188336), (149, 144096), (152, 141252), (158, 135888), (228, 94168), (237, 90592), (298, 72048), (304, 70626), (316, 67944), (447, 48032), (456, 47084), (474, 45296), (596, 36024), (608, 35313), (632, 33972), (894, 24016), (912, 23542), (948, 22648), (1192, 18012), (1264, 16986), (1501, 14304), (1788, 12008), (1824, 11771), (1896, 11324), (2384, 9006), (2528, 8493), (2831, 7584), (3002, 7152), (3576, 6004), (3792, 5662), (4503, 4768)]