21391194

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{3209}}^1$

素因数の和:3326

約数の個数: 32

約数和(自身を含む): 47148480

約数和(自身を除く): 25757286

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 101, 202, 303, 606, 1111, 2222, 3209, 3333, 6418, 6666, 9627, 19254, 35299, 70598, 105897, 211794, 324109, 648218, 972327, 1944654, 3565199, 7130398, 10695597, 21391194]

約数ペア:

[(1, 21391194), (2, 10695597), (3, 7130398), (6, 3565199), (11, 1944654), (22, 972327), (33, 648218), (66, 324109), (101, 211794), (202, 105897), (303, 70598), (606, 35299), (1111, 19254), (2222, 9627), (3209, 6666), (3333, 6418)]