21304224

素因数分解:

$2^5\times 3^2\times {\mathrm{73973}}^1$

素因数の和:73989

約数の個数: 36

約数和(自身を含む): 60584706

約数和(自身を除く): 39280482

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73973, 147946, 221919, 295892, 443838, 591784, 665757, 887676, 1183568, 1331514, 1775352, 2367136, 2663028, 3550704, 5326056, 7101408, 10652112, 21304224]

約数ペア:

[(1, 21304224), (2, 10652112), (3, 7101408), (4, 5326056), (6, 3550704), (8, 2663028), (9, 2367136), (12, 1775352), (16, 1331514), (18, 1183568), (24, 887676), (32, 665757), (36, 591784), (48, 443838), (72, 295892), (96, 221919), (144, 147946), (288, 73973)]