21802980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8863}}^1$

素因数の和:8916

約数の個数: 48

約数和(自身を含む): 62544384

約数和(自身を除く): 40741404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8863, 17726, 26589, 35452, 44315, 53178, 88630, 106356, 132945, 177260, 265890, 363383, 531780, 726766, 1090149, 1453532, 1816915, 2180298, 3633830, 4360596, 5450745, 7267660, 10901490, 21802980]

約数ペア:

[(1, 21802980), (2, 10901490), (3, 7267660), (4, 5450745), (5, 4360596), (6, 3633830), (10, 2180298), (12, 1816915), (15, 1453532), (20, 1090149), (30, 726766), (41, 531780), (60, 363383), (82, 265890), (123, 177260), (164, 132945), (205, 106356), (246, 88630), (410, 53178), (492, 44315), (615, 35452), (820, 26589), (1230, 17726), (2460, 8863)]