21067998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1553}}^1$

素因数の和:1601

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 32638242

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 102, 114, 119, 133, 238, 266, 323, 357, 399, 646, 714, 798, 969, 1553, 1938, 2261, 3106, 4522, 4659, 6783, 9318, 10871, 13566, 21742, 26401, 29507, 32613, 52802, 59014, 65226, 79203, 88521, 158406, 177042, 184807, 206549, 369614, 413098, 501619, 554421, 619647, 1003238, 1108842, 1239294, 1504857, 3009714, 3511333, 7022666, 10533999, 21067998]

約数ペア:

[(1, 21067998), (2, 10533999), (3, 7022666), (6, 3511333), (7, 3009714), (14, 1504857), (17, 1239294), (19, 1108842), (21, 1003238), (34, 619647), (38, 554421), (42, 501619), (51, 413098), (57, 369614), (102, 206549), (114, 184807), (119, 177042), (133, 158406), (238, 88521), (266, 79203), (323, 65226), (357, 59014), (399, 52802), (646, 32613), (714, 29507), (798, 26401), (969, 21742), (1553, 13566), (1938, 10871), (2261, 9318), (3106, 6783), (4522, 4659)]