21590700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1007

約数の個数: 72

約数和(自身を含む): 63329280

約数和(自身を除く): 41738580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 150, 158, 237, 300, 316, 395, 474, 790, 911, 948, 1185, 1580, 1822, 1975, 2370, 2733, 3644, 3950, 4555, 4740, 5466, 5925, 7900, 9110, 10932, 11850, 13665, 18220, 22775, 23700, 27330, 45550, 54660, 68325, 71969, 91100, 136650, 143938, 215907, 273300, 287876, 359845, 431814, 719690, 863628, 1079535, 1439380, 1799225, 2159070, 3598450, 4318140, 5397675, 7196900, 10795350, 21590700]

約数ペア:

[(1, 21590700), (2, 10795350), (3, 7196900), (4, 5397675), (5, 4318140), (6, 3598450), (10, 2159070), (12, 1799225), (15, 1439380), (20, 1079535), (25, 863628), (30, 719690), (50, 431814), (60, 359845), (75, 287876), (79, 273300), (100, 215907), (150, 143938), (158, 136650), (237, 91100), (300, 71969), (316, 68325), (395, 54660), (474, 45550), (790, 27330), (911, 23700), (948, 22775), (1185, 18220), (1580, 13665), (1822, 11850), (1975, 10932), (2370, 9110), (2733, 7900), (3644, 5925), (3950, 5466), (4555, 4740)]