21469781272

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1\times {\mathrm{2069}}^1$

素因数の和:2620

約数の個数: 64

約数和(自身を含む): 42722316000

約数和(自身を除く): 21252534728

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 233, 293, 466, 586, 932, 1172, 1864, 2069, 2344, 4138, 4427, 5567, 8276, 8854, 11134, 16552, 17708, 22268, 35416, 39311, 44536, 68269, 78622, 136538, 157244, 273076, 314488, 482077, 546152, 606217, 964154, 1212434, 1297111, 1928308, 2424868, 2594222, 3856616, 4849736, 5188444, 9159463, 10376888, 11518123, 18318926, 23036246, 36637852, 46072492, 73275704, 92144984, 141248561, 282497122, 564994244, 1129988488, 2683722659, 5367445318, 10734890636, 21469781272]

約数ペア:

[(1, 21469781272), (2, 10734890636), (4, 5367445318), (8, 2683722659), (19, 1129988488), (38, 564994244), (76, 282497122), (152, 141248561), (233, 92144984), (293, 73275704), (466, 46072492), (586, 36637852), (932, 23036246), (1172, 18318926), (1864, 11518123), (2069, 10376888), (2344, 9159463), (4138, 5188444), (4427, 4849736), (5567, 3856616), (8276, 2594222), (8854, 2424868), (11134, 1928308), (16552, 1297111), (17708, 1212434), (22268, 964154), (35416, 606217), (39311, 546152), (44536, 482077), (68269, 314488), (78622, 273076), (136538, 157244)]