21611928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{613}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 58796640

約数和(自身を除く): 37184712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 113, 156, 226, 312, 339, 452, 613, 678, 904, 1226, 1356, 1469, 1839, 2452, 2712, 2938, 3678, 4407, 4904, 5876, 7356, 7969, 8814, 11752, 14712, 15938, 17628, 23907, 31876, 35256, 47814, 63752, 69269, 95628, 138538, 191256, 207807, 277076, 415614, 554152, 831228, 900497, 1662456, 1800994, 2701491, 3601988, 5402982, 7203976, 10805964, 21611928]

約数ペア:

[(1, 21611928), (2, 10805964), (3, 7203976), (4, 5402982), (6, 3601988), (8, 2701491), (12, 1800994), (13, 1662456), (24, 900497), (26, 831228), (39, 554152), (52, 415614), (78, 277076), (104, 207807), (113, 191256), (156, 138538), (226, 95628), (312, 69269), (339, 63752), (452, 47814), (613, 35256), (678, 31876), (904, 23907), (1226, 17628), (1356, 15938), (1469, 14712), (1839, 11752), (2452, 8814), (2712, 7969), (2938, 7356), (3678, 5876), (4407, 4904)]