21542490

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3469}}^1$

素因数の和:3508

約数の個数: 64

約数和(自身を含む): 59961600

約数和(自身を除く): 38419110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 3469, 6210, 6938, 10407, 17345, 20814, 31221, 34690, 52035, 62442, 79787, 93663, 104070, 156105, 159574, 187326, 239361, 312210, 398935, 468315, 478722, 718083, 797870, 936630, 1196805, 1436166, 2154249, 2393610, 3590415, 4308498, 7180830, 10771245, 21542490]

約数ペア:

[(1, 21542490), (2, 10771245), (3, 7180830), (5, 4308498), (6, 3590415), (9, 2393610), (10, 2154249), (15, 1436166), (18, 1196805), (23, 936630), (27, 797870), (30, 718083), (45, 478722), (46, 468315), (54, 398935), (69, 312210), (90, 239361), (115, 187326), (135, 159574), (138, 156105), (207, 104070), (230, 93663), (270, 79787), (345, 62442), (414, 52035), (621, 34690), (690, 31221), (1035, 20814), (1242, 17345), (2070, 10407), (3105, 6938), (3469, 6210)]