21850686

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{653}}^1$

素因数の和:698

約数の個数: 72

約数和(自身を含む): 56011176

約数和(自身を除く): 34160490

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 169, 198, 234, 286, 338, 429, 507, 653, 858, 1014, 1287, 1306, 1521, 1859, 1959, 2574, 3042, 3718, 3918, 5577, 5877, 7183, 8489, 11154, 11754, 14366, 16731, 16978, 21549, 25467, 33462, 43098, 50934, 64647, 76401, 93379, 110357, 129294, 152802, 186758, 220714, 280137, 331071, 560274, 662142, 840411, 993213, 1213927, 1680822, 1986426, 2427854, 3641781, 7283562, 10925343, 21850686]

約数ペア:

[(1, 21850686), (2, 10925343), (3, 7283562), (6, 3641781), (9, 2427854), (11, 1986426), (13, 1680822), (18, 1213927), (22, 993213), (26, 840411), (33, 662142), (39, 560274), (66, 331071), (78, 280137), (99, 220714), (117, 186758), (143, 152802), (169, 129294), (198, 110357), (234, 93379), (286, 76401), (338, 64647), (429, 50934), (507, 43098), (653, 33462), (858, 25467), (1014, 21549), (1287, 16978), (1306, 16731), (1521, 14366), (1859, 11754), (1959, 11154), (2574, 8489), (3042, 7183), (3718, 5877), (3918, 5577)]