21820206

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 45256320

約数和(自身を除く): 23436114

約数列:

[1, 2, 3, 6, 53, 59, 106, 118, 159, 177, 318, 354, 1163, 2326, 3127, 3489, 6254, 6978, 9381, 18762, 61639, 68617, 123278, 137234, 184917, 205851, 369834, 411702, 3636701, 7273402, 10910103, 21820206]

約数ペア:

[(1, 21820206), (2, 10910103), (3, 7273402), (6, 3636701), (53, 411702), (59, 369834), (106, 205851), (118, 184917), (159, 137234), (177, 123278), (318, 68617), (354, 61639), (1163, 18762), (2326, 9381), (3127, 6978), (3489, 6254)]