21847875

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 96

約数和(自身を含む): 44815680

約数和(自身を除く): 22967805

約数列:

[1, 3, 5, 7, 15, 21, 25, 29, 35, 41, 49, 75, 87, 105, 123, 125, 145, 147, 175, 203, 205, 245, 287, 375, 435, 525, 609, 615, 725, 735, 861, 875, 1015, 1025, 1189, 1225, 1421, 1435, 2009, 2175, 2625, 3045, 3075, 3567, 3625, 3675, 4263, 4305, 5075, 5125, 5945, 6027, 6125, 7105, 7175, 8323, 10045, 10875, 15225, 15375, 17835, 18375, 21315, 21525, 24969, 25375, 29725, 30135, 35525, 35875, 41615, 50225, 58261, 76125, 89175, 106575, 107625, 124845, 148625, 150675, 174783, 177625, 208075, 251125, 291305, 445875, 532875, 624225, 753375, 873915, 1040375, 1456525, 3121125, 4369575, 7282625, 21847875]

約数ペア:

[(1, 21847875), (3, 7282625), (5, 4369575), (7, 3121125), (15, 1456525), (21, 1040375), (25, 873915), (29, 753375), (35, 624225), (41, 532875), (49, 445875), (75, 291305), (87, 251125), (105, 208075), (123, 177625), (125, 174783), (145, 150675), (147, 148625), (175, 124845), (203, 107625), (205, 106575), (245, 89175), (287, 76125), (375, 58261), (435, 50225), (525, 41615), (609, 35875), (615, 35525), (725, 30135), (735, 29725), (861, 25375), (875, 24969), (1015, 21525), (1025, 21315), (1189, 18375), (1225, 17835), (1421, 15375), (1435, 15225), (2009, 10875), (2175, 10045), (2625, 8323), (3045, 7175), (3075, 7105), (3567, 6125), (3625, 6027), (3675, 5945), (4263, 5125), (4305, 5075)]