21384576

素因数分解:

$2^7\times 3^2\times {\mathrm{19}}^1\times {\mathrm{977}}^1$

素因数の和:1016

約数の個数: 96

約数和(自身を含む): 64841400

約数和(自身を除く): 43456824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 288, 304, 342, 384, 456, 576, 608, 684, 912, 977, 1152, 1216, 1368, 1824, 1954, 2432, 2736, 2931, 3648, 3908, 5472, 5862, 7296, 7816, 8793, 10944, 11724, 15632, 17586, 18563, 21888, 23448, 31264, 35172, 37126, 46896, 55689, 62528, 70344, 74252, 93792, 111378, 125056, 140688, 148504, 167067, 187584, 222756, 281376, 297008, 334134, 375168, 445512, 562752, 594016, 668268, 891024, 1125504, 1188032, 1336536, 1782048, 2376064, 2673072, 3564096, 5346144, 7128192, 10692288, 21384576]

約数ペア:

[(1, 21384576), (2, 10692288), (3, 7128192), (4, 5346144), (6, 3564096), (8, 2673072), (9, 2376064), (12, 1782048), (16, 1336536), (18, 1188032), (19, 1125504), (24, 891024), (32, 668268), (36, 594016), (38, 562752), (48, 445512), (57, 375168), (64, 334134), (72, 297008), (76, 281376), (96, 222756), (114, 187584), (128, 167067), (144, 148504), (152, 140688), (171, 125056), (192, 111378), (228, 93792), (288, 74252), (304, 70344), (342, 62528), (384, 55689), (456, 46896), (576, 37126), (608, 35172), (684, 31264), (912, 23448), (977, 21888), (1152, 18563), (1216, 17586), (1368, 15632), (1824, 11724), (1954, 10944), (2432, 8793), (2736, 7816), (2931, 7296), (3648, 5862), (3908, 5472)]