21403308

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{461}}^1$

素因数の和:594

約数の個数: 48

約数和(自身を含む): 51692256

約数和(自身を除く): 30288948

約数列:

[1, 2, 3, 4, 6, 12, 53, 73, 106, 146, 159, 212, 219, 292, 318, 438, 461, 636, 876, 922, 1383, 1844, 2766, 3869, 5532, 7738, 11607, 15476, 23214, 24433, 33653, 46428, 48866, 67306, 73299, 97732, 100959, 134612, 146598, 201918, 293196, 403836, 1783609, 3567218, 5350827, 7134436, 10701654, 21403308]

約数ペア:

[(1, 21403308), (2, 10701654), (3, 7134436), (4, 5350827), (6, 3567218), (12, 1783609), (53, 403836), (73, 293196), (106, 201918), (146, 146598), (159, 134612), (212, 100959), (219, 97732), (292, 73299), (318, 67306), (438, 48866), (461, 46428), (636, 33653), (876, 24433), (922, 23214), (1383, 15476), (1844, 11607), (2766, 7738), (3869, 5532)]