21851052

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 57480192

約数和(自身を除く): 35629140

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 43, 47, 51, 53, 68, 86, 94, 102, 106, 129, 141, 159, 172, 188, 204, 212, 258, 282, 318, 516, 564, 636, 731, 799, 901, 1462, 1598, 1802, 2021, 2193, 2279, 2397, 2491, 2703, 2924, 3196, 3604, 4042, 4386, 4558, 4794, 4982, 5406, 6063, 6837, 7473, 8084, 8772, 9116, 9588, 9964, 10812, 12126, 13674, 14946, 24252, 27348, 29892, 34357, 38743, 42347, 68714, 77486, 84694, 103071, 107113, 116229, 127041, 137428, 154972, 169388, 206142, 214226, 232458, 254082, 321339, 412284, 428452, 464916, 508164, 642678, 1285356, 1820921, 3641842, 5462763, 7283684, 10925526, 21851052]

約数ペア:

[(1, 21851052), (2, 10925526), (3, 7283684), (4, 5462763), (6, 3641842), (12, 1820921), (17, 1285356), (34, 642678), (43, 508164), (47, 464916), (51, 428452), (53, 412284), (68, 321339), (86, 254082), (94, 232458), (102, 214226), (106, 206142), (129, 169388), (141, 154972), (159, 137428), (172, 127041), (188, 116229), (204, 107113), (212, 103071), (258, 84694), (282, 77486), (318, 68714), (516, 42347), (564, 38743), (636, 34357), (731, 29892), (799, 27348), (901, 24252), (1462, 14946), (1598, 13674), (1802, 12126), (2021, 10812), (2193, 9964), (2279, 9588), (2397, 9116), (2491, 8772), (2703, 8084), (2924, 7473), (3196, 6837), (3604, 6063), (4042, 5406), (4386, 4982), (4558, 4794)]