21581566164

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{953081}}^1$

素因数の和:953145

約数の個数: 72

約数和(自身を含む): 59323636008

約数和(自身を除く): 37742069844

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 37, 51, 68, 74, 102, 111, 148, 153, 204, 222, 306, 333, 444, 612, 629, 666, 1258, 1332, 1887, 2516, 3774, 5661, 7548, 11322, 22644, 953081, 1906162, 2859243, 3812324, 5718486, 8577729, 11436972, 16202377, 17155458, 32404754, 34310916, 35263997, 48607131, 64809508, 70527994, 97214262, 105791991, 141055988, 145821393, 194428524, 211583982, 291642786, 317375973, 423167964, 583285572, 599487949, 634751946, 1198975898, 1269503892, 1798463847, 2397951796, 3596927694, 5395391541, 7193855388, 10790783082, 21581566164]

約数ペア:

[(1, 21581566164), (2, 10790783082), (3, 7193855388), (4, 5395391541), (6, 3596927694), (9, 2397951796), (12, 1798463847), (17, 1269503892), (18, 1198975898), (34, 634751946), (36, 599487949), (37, 583285572), (51, 423167964), (68, 317375973), (74, 291642786), (102, 211583982), (111, 194428524), (148, 145821393), (153, 141055988), (204, 105791991), (222, 97214262), (306, 70527994), (333, 64809508), (444, 48607131), (612, 35263997), (629, 34310916), (666, 32404754), (1258, 17155458), (1332, 16202377), (1887, 11436972), (2516, 8577729), (3774, 5718486), (5661, 3812324), (7548, 2859243), (11322, 1906162), (22644, 953081)]