21286392

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:300

約数の個数: 64

約数和(自身を含む): 54912000

約数和(自身を除く): 33625608

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 103, 109, 158, 206, 218, 237, 309, 316, 327, 412, 436, 474, 618, 632, 654, 824, 872, 948, 1236, 1308, 1896, 2472, 2616, 8137, 8611, 11227, 16274, 17222, 22454, 24411, 25833, 32548, 33681, 34444, 44908, 48822, 51666, 65096, 67362, 68888, 89816, 97644, 103332, 134724, 195288, 206664, 269448, 886933, 1773866, 2660799, 3547732, 5321598, 7095464, 10643196, 21286392]

約数ペア:

[(1, 21286392), (2, 10643196), (3, 7095464), (4, 5321598), (6, 3547732), (8, 2660799), (12, 1773866), (24, 886933), (79, 269448), (103, 206664), (109, 195288), (158, 134724), (206, 103332), (218, 97644), (237, 89816), (309, 68888), (316, 67362), (327, 65096), (412, 51666), (436, 48822), (474, 44908), (618, 34444), (632, 33681), (654, 32548), (824, 25833), (872, 24411), (948, 22454), (1236, 17222), (1308, 16274), (1896, 11227), (2472, 8611), (2616, 8137)]