21372876

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1663}}^1$

素因数の和:1700

約数の個数: 96

約数和(自身を含む): 67092480

約数和(自身を除く): 45719604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 153, 189, 204, 238, 252, 306, 357, 378, 459, 476, 612, 714, 756, 918, 1071, 1428, 1663, 1836, 2142, 3213, 3326, 4284, 4989, 6426, 6652, 9978, 11641, 12852, 14967, 19956, 23282, 28271, 29934, 34923, 44901, 46564, 56542, 59868, 69846, 84813, 89802, 104769, 113084, 139692, 169626, 179604, 197897, 209538, 254439, 314307, 339252, 395794, 419076, 508878, 593691, 628614, 763317, 791588, 1017756, 1187382, 1257228, 1526634, 1781073, 2374764, 3053268, 3562146, 5343219, 7124292, 10686438, 21372876]

約数ペア:

[(1, 21372876), (2, 10686438), (3, 7124292), (4, 5343219), (6, 3562146), (7, 3053268), (9, 2374764), (12, 1781073), (14, 1526634), (17, 1257228), (18, 1187382), (21, 1017756), (27, 791588), (28, 763317), (34, 628614), (36, 593691), (42, 508878), (51, 419076), (54, 395794), (63, 339252), (68, 314307), (84, 254439), (102, 209538), (108, 197897), (119, 179604), (126, 169626), (153, 139692), (189, 113084), (204, 104769), (238, 89802), (252, 84813), (306, 69846), (357, 59868), (378, 56542), (459, 46564), (476, 44901), (612, 34923), (714, 29934), (756, 28271), (918, 23282), (1071, 19956), (1428, 14967), (1663, 12852), (1836, 11641), (2142, 9978), (3213, 6652), (3326, 6426), (4284, 4989)]