21398028

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{93851}}^1$

素因数の和:93877

約数の個数: 24

約数和(自身を含む): 52557120

約数和(自身を除く): 31159092

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 93851, 187702, 281553, 375404, 563106, 1126212, 1783169, 3566338, 5349507, 7132676, 10699014, 21398028]

約数ペア:

[(1, 21398028), (2, 10699014), (3, 7132676), (4, 5349507), (6, 3566338), (12, 1783169), (19, 1126212), (38, 563106), (57, 375404), (76, 281553), (114, 187702), (228, 93851)]