21965292

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1889}}^1$

素因数の和:1935

約数の個数: 72

約数和(自身を含む): 61916400

約数和(自身を除く): 39951108

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 51, 57, 68, 76, 102, 114, 153, 171, 204, 228, 306, 323, 342, 612, 646, 684, 969, 1292, 1889, 1938, 2907, 3778, 3876, 5667, 5814, 7556, 11334, 11628, 17001, 22668, 32113, 34002, 35891, 64226, 68004, 71782, 96339, 107673, 128452, 143564, 192678, 215346, 289017, 323019, 385356, 430692, 578034, 610147, 646038, 1156068, 1220294, 1292076, 1830441, 2440588, 3660882, 5491323, 7321764, 10982646, 21965292]

約数ペア:

[(1, 21965292), (2, 10982646), (3, 7321764), (4, 5491323), (6, 3660882), (9, 2440588), (12, 1830441), (17, 1292076), (18, 1220294), (19, 1156068), (34, 646038), (36, 610147), (38, 578034), (51, 430692), (57, 385356), (68, 323019), (76, 289017), (102, 215346), (114, 192678), (153, 143564), (171, 128452), (204, 107673), (228, 96339), (306, 71782), (323, 68004), (342, 64226), (612, 35891), (646, 34002), (684, 32113), (969, 22668), (1292, 17001), (1889, 11628), (1938, 11334), (2907, 7556), (3778, 5814), (3876, 5667)]