21831304

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 47401200

約数和(自身を除く): 25569896

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 121, 152, 209, 242, 418, 484, 836, 968, 1187, 1672, 2299, 2374, 4598, 4748, 9196, 9496, 13057, 18392, 22553, 26114, 45106, 52228, 90212, 104456, 143627, 180424, 248083, 287254, 496166, 574508, 992332, 1149016, 1984664, 2728913, 5457826, 10915652, 21831304]

約数ペア:

[(1, 21831304), (2, 10915652), (4, 5457826), (8, 2728913), (11, 1984664), (19, 1149016), (22, 992332), (38, 574508), (44, 496166), (76, 287254), (88, 248083), (121, 180424), (152, 143627), (209, 104456), (242, 90212), (418, 52228), (484, 45106), (836, 26114), (968, 22553), (1187, 18392), (1672, 13057), (2299, 9496), (2374, 9196), (4598, 4748)]