20210904

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13367}}^1$

素因数の和:13389

約数の個数: 64

約数和(自身を含む): 64166400

約数和(自身を除く): 43955496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 13367, 26734, 40101, 53468, 80202, 93569, 106936, 120303, 160404, 187138, 240606, 280707, 320808, 360909, 374276, 481212, 561414, 721818, 748552, 842121, 962424, 1122828, 1443636, 1684242, 2245656, 2526363, 2887272, 3368484, 5052726, 6736968, 10105452, 20210904]

約数ペア:

[(1, 20210904), (2, 10105452), (3, 6736968), (4, 5052726), (6, 3368484), (7, 2887272), (8, 2526363), (9, 2245656), (12, 1684242), (14, 1443636), (18, 1122828), (21, 962424), (24, 842121), (27, 748552), (28, 721818), (36, 561414), (42, 481212), (54, 374276), (56, 360909), (63, 320808), (72, 280707), (84, 240606), (108, 187138), (126, 160404), (168, 120303), (189, 106936), (216, 93569), (252, 80202), (378, 53468), (504, 40101), (756, 26734), (1512, 13367)]