21246400

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{271}}^1$

素因数の和:307

約数の個数: 126

約数和(自身を含む): 61039248

約数和(自身を除く): 39792848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 271, 280, 320, 350, 392, 400, 448, 490, 542, 560, 700, 784, 800, 980, 1084, 1120, 1225, 1355, 1400, 1568, 1600, 1897, 1960, 2168, 2240, 2450, 2710, 2800, 3136, 3794, 3920, 4336, 4900, 5420, 5600, 6775, 7588, 7840, 8672, 9485, 9800, 10840, 11200, 13279, 13550, 15176, 15680, 17344, 18970, 19600, 21680, 26558, 27100, 30352, 37940, 39200, 43360, 47425, 53116, 54200, 60704, 66395, 75880, 78400, 86720, 94850, 106232, 108400, 121408, 132790, 151760, 189700, 212464, 216800, 265580, 303520, 331975, 379400, 424928, 433600, 531160, 607040, 663950, 758800, 849856, 1062320, 1327900, 1517600, 2124640, 2655800, 3035200, 4249280, 5311600, 10623200, 21246400]

約数ペア:

[(1, 21246400), (2, 10623200), (4, 5311600), (5, 4249280), (7, 3035200), (8, 2655800), (10, 2124640), (14, 1517600), (16, 1327900), (20, 1062320), (25, 849856), (28, 758800), (32, 663950), (35, 607040), (40, 531160), (49, 433600), (50, 424928), (56, 379400), (64, 331975), (70, 303520), (80, 265580), (98, 216800), (100, 212464), (112, 189700), (140, 151760), (160, 132790), (175, 121408), (196, 108400), (200, 106232), (224, 94850), (245, 86720), (271, 78400), (280, 75880), (320, 66395), (350, 60704), (392, 54200), (400, 53116), (448, 47425), (490, 43360), (542, 39200), (560, 37940), (700, 30352), (784, 27100), (800, 26558), (980, 21680), (1084, 19600), (1120, 18970), (1225, 17344), (1355, 15680), (1400, 15176), (1568, 13550), (1600, 13279), (1897, 11200), (1960, 10840), (2168, 9800), (2240, 9485), (2450, 8672), (2710, 7840), (2800, 7588), (3136, 6775), (3794, 5600), (3920, 5420), (4336, 4900)]