21994038

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 54282240

約数和(自身を除く): 32288202

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 61, 66, 99, 122, 183, 198, 297, 366, 549, 594, 607, 671, 1098, 1214, 1342, 1647, 1821, 2013, 3294, 3642, 4026, 5463, 6039, 6677, 10926, 12078, 13354, 16389, 18117, 20031, 32778, 36234, 37027, 40062, 60093, 74054, 111081, 120186, 180279, 222162, 333243, 360558, 407297, 666486, 814594, 999729, 1221891, 1999458, 2443782, 3665673, 7331346, 10997019, 21994038]

約数ペア:

[(1, 21994038), (2, 10997019), (3, 7331346), (6, 3665673), (9, 2443782), (11, 1999458), (18, 1221891), (22, 999729), (27, 814594), (33, 666486), (54, 407297), (61, 360558), (66, 333243), (99, 222162), (122, 180279), (183, 120186), (198, 111081), (297, 74054), (366, 60093), (549, 40062), (594, 37027), (607, 36234), (671, 32778), (1098, 20031), (1214, 18117), (1342, 16389), (1647, 13354), (1821, 12078), (2013, 10926), (3294, 6677), (3642, 6039), (4026, 5463)]