21903768

素因数分解:

$2^3\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2791}}^1$

素因数の和:2912

約数の個数: 48

約数和(自身を含む): 59888400

約数和(自身を除く): 37984632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 109, 218, 327, 436, 654, 872, 981, 1308, 1962, 2616, 2791, 3924, 5582, 7848, 8373, 11164, 16746, 22328, 25119, 33492, 50238, 66984, 100476, 200952, 304219, 608438, 912657, 1216876, 1825314, 2433752, 2737971, 3650628, 5475942, 7301256, 10951884, 21903768]

約数ペア:

[(1, 21903768), (2, 10951884), (3, 7301256), (4, 5475942), (6, 3650628), (8, 2737971), (9, 2433752), (12, 1825314), (18, 1216876), (24, 912657), (36, 608438), (72, 304219), (109, 200952), (218, 100476), (327, 66984), (436, 50238), (654, 33492), (872, 25119), (981, 22328), (1308, 16746), (1962, 11164), (2616, 8373), (2791, 7848), (3924, 5582)]