21331600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{3137}}^1$

素因数の和:3172

約数の個数: 60

約数和(自身を含む): 54281124

約数和(自身を除く): 32949524

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3137, 3400, 6274, 6800, 12548, 15685, 25096, 31370, 50192, 53329, 62740, 78425, 106658, 125480, 156850, 213316, 250960, 266645, 313700, 426632, 533290, 627400, 853264, 1066580, 1254800, 1333225, 2133160, 2666450, 4266320, 5332900, 10665800, 21331600]

約数ペア:

[(1, 21331600), (2, 10665800), (4, 5332900), (5, 4266320), (8, 2666450), (10, 2133160), (16, 1333225), (17, 1254800), (20, 1066580), (25, 853264), (34, 627400), (40, 533290), (50, 426632), (68, 313700), (80, 266645), (85, 250960), (100, 213316), (136, 156850), (170, 125480), (200, 106658), (272, 78425), (340, 62740), (400, 53329), (425, 50192), (680, 31370), (850, 25096), (1360, 15685), (1700, 12548), (3137, 6800), (3400, 6274)]