21574014

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{953}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 54950400

約数和(自身を除く): 33376386

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 343, 462, 539, 686, 953, 1029, 1078, 1617, 1906, 2058, 2859, 3234, 3773, 5718, 6671, 7546, 10483, 11319, 13342, 20013, 20966, 22638, 31449, 40026, 46697, 62898, 73381, 93394, 140091, 146762, 220143, 280182, 326879, 440286, 513667, 653758, 980637, 1027334, 1541001, 1961274, 3082002, 3595669, 7191338, 10787007, 21574014]

約数ペア:

[(1, 21574014), (2, 10787007), (3, 7191338), (6, 3595669), (7, 3082002), (11, 1961274), (14, 1541001), (21, 1027334), (22, 980637), (33, 653758), (42, 513667), (49, 440286), (66, 326879), (77, 280182), (98, 220143), (147, 146762), (154, 140091), (231, 93394), (294, 73381), (343, 62898), (462, 46697), (539, 40026), (686, 31449), (953, 22638), (1029, 20966), (1078, 20013), (1617, 13342), (1906, 11319), (2058, 10483), (2859, 7546), (3234, 6671), (3773, 5718)]