21652096

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 47124000

約数和(自身を除く): 25471904

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 304, 307, 464, 551, 608, 614, 928, 1102, 1216, 1228, 1856, 2204, 2432, 2456, 3712, 4408, 4912, 5833, 8816, 8903, 9824, 11666, 17632, 17806, 19648, 23332, 35264, 35612, 39296, 46664, 70528, 71224, 93328, 142448, 169157, 186656, 284896, 338314, 373312, 569792, 676628, 746624, 1139584, 1353256, 2706512, 5413024, 10826048, 21652096]

約数ペア:

[(1, 21652096), (2, 10826048), (4, 5413024), (8, 2706512), (16, 1353256), (19, 1139584), (29, 746624), (32, 676628), (38, 569792), (58, 373312), (64, 338314), (76, 284896), (116, 186656), (128, 169157), (152, 142448), (232, 93328), (304, 71224), (307, 70528), (464, 46664), (551, 39296), (608, 35612), (614, 35264), (928, 23332), (1102, 19648), (1216, 17806), (1228, 17632), (1856, 11666), (2204, 9824), (2432, 8903), (2456, 8816), (3712, 5833), (4408, 4912)]