21850710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1553}}^1$

素因数の和:1637

約数の個数: 64

約数和(自身を含む): 60867072

約数和(自身を除く): 39016362

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 67, 70, 105, 134, 201, 210, 335, 402, 469, 670, 938, 1005, 1407, 1553, 2010, 2345, 2814, 3106, 4659, 4690, 7035, 7765, 9318, 10871, 14070, 15530, 21742, 23295, 32613, 46590, 54355, 65226, 104051, 108710, 163065, 208102, 312153, 326130, 520255, 624306, 728357, 1040510, 1456714, 1560765, 2185071, 3121530, 3641785, 4370142, 7283570, 10925355, 21850710]

約数ペア:

[(1, 21850710), (2, 10925355), (3, 7283570), (5, 4370142), (6, 3641785), (7, 3121530), (10, 2185071), (14, 1560765), (15, 1456714), (21, 1040510), (30, 728357), (35, 624306), (42, 520255), (67, 326130), (70, 312153), (105, 208102), (134, 163065), (201, 108710), (210, 104051), (335, 65226), (402, 54355), (469, 46590), (670, 32613), (938, 23295), (1005, 21742), (1407, 15530), (1553, 14070), (2010, 10871), (2345, 9318), (2814, 7765), (3106, 7035), (4659, 4690)]