2021103501

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 2797132800

約数和(自身を除く): 776029299

約数列:

[1, 3, 43, 129, 131, 199, 393, 597, 601, 1803, 5633, 8557, 16899, 25671, 25843, 26069, 77529, 78207, 78731, 119599, 236193, 358797, 1120967, 3362901, 3385433, 5142757, 10156299, 15428271, 15667469, 47002407, 673701167, 2021103501]

約数ペア:

[(1, 2021103501), (3, 673701167), (43, 47002407), (129, 15667469), (131, 15428271), (199, 10156299), (393, 5142757), (597, 3385433), (601, 3362901), (1803, 1120967), (5633, 358797), (8557, 236193), (16899, 119599), (25671, 78731), (25843, 78207), (26069, 77529)]