21019536

素因数分解:

$2^4\times 3^2\times {\mathrm{145969}}^1$

素因数の和:145983

約数の個数: 30

約数和(自身を含む): 58825910

約数和(自身を除く): 37806374

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 145969, 291938, 437907, 583876, 875814, 1167752, 1313721, 1751628, 2335504, 2627442, 3503256, 5254884, 7006512, 10509768, 21019536]

約数ペア:

[(1, 21019536), (2, 10509768), (3, 7006512), (4, 5254884), (6, 3503256), (8, 2627442), (9, 2335504), (12, 1751628), (16, 1313721), (18, 1167752), (24, 875814), (36, 583876), (48, 437907), (72, 291938), (144, 145969)]