21718048

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:182

約数の個数: 72

約数和(自身を含む): 48263040

約数和(自身を除く): 26544992

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 79, 88, 121, 142, 158, 176, 242, 284, 316, 352, 484, 568, 632, 781, 869, 968, 1136, 1264, 1562, 1738, 1936, 2272, 2528, 3124, 3476, 3872, 5609, 6248, 6952, 8591, 9559, 11218, 12496, 13904, 17182, 19118, 22436, 24992, 27808, 34364, 38236, 44872, 61699, 68728, 76472, 89744, 123398, 137456, 152944, 179488, 246796, 274912, 305888, 493592, 678689, 987184, 1357378, 1974368, 2714756, 5429512, 10859024, 21718048]

約数ペア:

[(1, 21718048), (2, 10859024), (4, 5429512), (8, 2714756), (11, 1974368), (16, 1357378), (22, 987184), (32, 678689), (44, 493592), (71, 305888), (79, 274912), (88, 246796), (121, 179488), (142, 152944), (158, 137456), (176, 123398), (242, 89744), (284, 76472), (316, 68728), (352, 61699), (484, 44872), (568, 38236), (632, 34364), (781, 27808), (869, 24992), (968, 22436), (1136, 19118), (1264, 17182), (1562, 13904), (1738, 12496), (1936, 11218), (2272, 9559), (2528, 8591), (3124, 6952), (3476, 6248), (3872, 5609)]