21436620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5857}}^1$

素因数の和:5930

約数の個数: 48

約数和(自身を含む): 61016928

約数和(自身を除く): 39580308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5857, 11714, 17571, 23428, 29285, 35142, 58570, 70284, 87855, 117140, 175710, 351420, 357277, 714554, 1071831, 1429108, 1786385, 2143662, 3572770, 4287324, 5359155, 7145540, 10718310, 21436620]

約数ペア:

[(1, 21436620), (2, 10718310), (3, 7145540), (4, 5359155), (5, 4287324), (6, 3572770), (10, 2143662), (12, 1786385), (15, 1429108), (20, 1071831), (30, 714554), (60, 357277), (61, 351420), (122, 175710), (183, 117140), (244, 87855), (305, 70284), (366, 58570), (610, 35142), (732, 29285), (915, 23428), (1220, 17571), (1830, 11714), (3660, 5857)]