21397800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1877}}^1$

素因数の和:1915

約数の個数: 96

約数和(自身を含む): 69861600

約数和(自身を除く): 48463800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 150, 152, 190, 200, 228, 285, 300, 380, 456, 475, 570, 600, 760, 950, 1140, 1425, 1877, 1900, 2280, 2850, 3754, 3800, 5631, 5700, 7508, 9385, 11262, 11400, 15016, 18770, 22524, 28155, 35663, 37540, 45048, 46925, 56310, 71326, 75080, 93850, 106989, 112620, 140775, 142652, 178315, 187700, 213978, 225240, 281550, 285304, 356630, 375400, 427956, 534945, 563100, 713260, 855912, 891575, 1069890, 1126200, 1426520, 1783150, 2139780, 2674725, 3566300, 4279560, 5349450, 7132600, 10698900, 21397800]

約数ペア:

[(1, 21397800), (2, 10698900), (3, 7132600), (4, 5349450), (5, 4279560), (6, 3566300), (8, 2674725), (10, 2139780), (12, 1783150), (15, 1426520), (19, 1126200), (20, 1069890), (24, 891575), (25, 855912), (30, 713260), (38, 563100), (40, 534945), (50, 427956), (57, 375400), (60, 356630), (75, 285304), (76, 281550), (95, 225240), (100, 213978), (114, 187700), (120, 178315), (150, 142652), (152, 140775), (190, 112620), (200, 106989), (228, 93850), (285, 75080), (300, 71326), (380, 56310), (456, 46925), (475, 45048), (570, 37540), (600, 35663), (760, 28155), (950, 22524), (1140, 18770), (1425, 15016), (1877, 11400), (1900, 11262), (2280, 9385), (2850, 7508), (3754, 5700), (3800, 5631)]