21341936

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1062

約数の個数: 80

約数和(自身を含む): 54639360

約数和(自身を除く): 33297424

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 56, 68, 77, 88, 112, 119, 136, 154, 176, 187, 238, 272, 308, 374, 476, 616, 748, 952, 1019, 1232, 1309, 1496, 1904, 2038, 2618, 2992, 4076, 5236, 7133, 8152, 10472, 11209, 14266, 16304, 17323, 20944, 22418, 28532, 34646, 44836, 57064, 69292, 78463, 89672, 114128, 121261, 138584, 156926, 179344, 190553, 242522, 277168, 313852, 381106, 485044, 627704, 762212, 970088, 1255408, 1333871, 1524424, 1940176, 2667742, 3048848, 5335484, 10670968, 21341936]

約数ペア:

[(1, 21341936), (2, 10670968), (4, 5335484), (7, 3048848), (8, 2667742), (11, 1940176), (14, 1524424), (16, 1333871), (17, 1255408), (22, 970088), (28, 762212), (34, 627704), (44, 485044), (56, 381106), (68, 313852), (77, 277168), (88, 242522), (112, 190553), (119, 179344), (136, 156926), (154, 138584), (176, 121261), (187, 114128), (238, 89672), (272, 78463), (308, 69292), (374, 57064), (476, 44836), (616, 34646), (748, 28532), (952, 22418), (1019, 20944), (1232, 17323), (1309, 16304), (1496, 14266), (1904, 11209), (2038, 10472), (2618, 8152), (2992, 7133), (4076, 5236)]