21529725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 42473472

約数和(自身を除く): 20943747

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1725, 1783, 2415, 4025, 5349, 8915, 12075, 12481, 26745, 37443, 41009, 44575, 62405, 123027, 133725, 187215, 205045, 287063, 312025, 615135, 861189, 936075, 1025225, 1435315, 3075675, 4305945, 7176575, 21529725]

約数ペア:

[(1, 21529725), (3, 7176575), (5, 4305945), (7, 3075675), (15, 1435315), (21, 1025225), (23, 936075), (25, 861189), (35, 615135), (69, 312025), (75, 287063), (105, 205045), (115, 187215), (161, 133725), (175, 123027), (345, 62405), (483, 44575), (525, 41009), (575, 37443), (805, 26745), (1725, 12481), (1783, 12075), (2415, 8915), (4025, 5349)]