21393072

素因数分解:

$2^4\times 3^4\times {\mathrm{17}}^1\times {\mathrm{971}}^1$

素因数の和:1008

約数の個数: 100

約数和(自身を含む): 65627496

約数和(自身を除く): 44234424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 34, 36, 48, 51, 54, 68, 72, 81, 102, 108, 136, 144, 153, 162, 204, 216, 272, 306, 324, 408, 432, 459, 612, 648, 816, 918, 971, 1224, 1296, 1377, 1836, 1942, 2448, 2754, 2913, 3672, 3884, 5508, 5826, 7344, 7768, 8739, 11016, 11652, 15536, 16507, 17478, 22032, 23304, 26217, 33014, 34956, 46608, 49521, 52434, 66028, 69912, 78651, 99042, 104868, 132056, 139824, 148563, 157302, 198084, 209736, 264112, 297126, 314604, 396168, 419472, 445689, 594252, 629208, 792336, 891378, 1188504, 1258416, 1337067, 1782756, 2377008, 2674134, 3565512, 5348268, 7131024, 10696536, 21393072]

約数ペア:

[(1, 21393072), (2, 10696536), (3, 7131024), (4, 5348268), (6, 3565512), (8, 2674134), (9, 2377008), (12, 1782756), (16, 1337067), (17, 1258416), (18, 1188504), (24, 891378), (27, 792336), (34, 629208), (36, 594252), (48, 445689), (51, 419472), (54, 396168), (68, 314604), (72, 297126), (81, 264112), (102, 209736), (108, 198084), (136, 157302), (144, 148563), (153, 139824), (162, 132056), (204, 104868), (216, 99042), (272, 78651), (306, 69912), (324, 66028), (408, 52434), (432, 49521), (459, 46608), (612, 34956), (648, 33014), (816, 26217), (918, 23304), (971, 22032), (1224, 17478), (1296, 16507), (1377, 15536), (1836, 11652), (1942, 11016), (2448, 8739), (2754, 7768), (2913, 7344), (3672, 5826), (3884, 5508)]