21283150

素因数分解:

$2^1\times 5^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 96

約数和(自身を含む): 49550400

約数和(自身を除く): 28267250

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 49, 50, 70, 73, 85, 98, 119, 146, 170, 175, 238, 245, 343, 350, 365, 425, 490, 511, 595, 686, 730, 833, 850, 1022, 1190, 1225, 1241, 1666, 1715, 1825, 2450, 2482, 2555, 2975, 3430, 3577, 3650, 4165, 5110, 5831, 5950, 6205, 7154, 8330, 8575, 8687, 11662, 12410, 12775, 17150, 17374, 17885, 20825, 25039, 25550, 29155, 31025, 35770, 41650, 43435, 50078, 58310, 60809, 62050, 86870, 89425, 121618, 125195, 145775, 178850, 217175, 250390, 291550, 304045, 425663, 434350, 608090, 625975, 851326, 1251950, 1520225, 2128315, 3040450, 4256630, 10641575, 21283150]

約数ペア:

[(1, 21283150), (2, 10641575), (5, 4256630), (7, 3040450), (10, 2128315), (14, 1520225), (17, 1251950), (25, 851326), (34, 625975), (35, 608090), (49, 434350), (50, 425663), (70, 304045), (73, 291550), (85, 250390), (98, 217175), (119, 178850), (146, 145775), (170, 125195), (175, 121618), (238, 89425), (245, 86870), (343, 62050), (350, 60809), (365, 58310), (425, 50078), (490, 43435), (511, 41650), (595, 35770), (686, 31025), (730, 29155), (833, 25550), (850, 25039), (1022, 20825), (1190, 17885), (1225, 17374), (1241, 17150), (1666, 12775), (1715, 12410), (1825, 11662), (2450, 8687), (2482, 8575), (2555, 8330), (2975, 7154), (3430, 6205), (3577, 5950), (3650, 5831), (4165, 5110)]