21681870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^2$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 62995968

約数和(自身を除く): 41314098

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 67, 69, 70, 105, 115, 134, 138, 161, 201, 210, 230, 322, 335, 345, 402, 469, 483, 670, 690, 805, 938, 966, 1005, 1407, 1541, 1610, 2010, 2345, 2415, 2814, 3082, 4489, 4623, 4690, 4830, 7035, 7705, 8978, 9246, 10787, 13467, 14070, 15410, 21574, 22445, 23115, 26934, 31423, 32361, 44890, 46230, 53935, 62846, 64722, 67335, 94269, 103247, 107870, 134670, 157115, 161805, 188538, 206494, 309741, 314230, 323610, 471345, 516235, 619482, 722729, 942690, 1032470, 1445458, 1548705, 2168187, 3097410, 3613645, 4336374, 7227290, 10840935, 21681870]

約数ペア:

[(1, 21681870), (2, 10840935), (3, 7227290), (5, 4336374), (6, 3613645), (7, 3097410), (10, 2168187), (14, 1548705), (15, 1445458), (21, 1032470), (23, 942690), (30, 722729), (35, 619482), (42, 516235), (46, 471345), (67, 323610), (69, 314230), (70, 309741), (105, 206494), (115, 188538), (134, 161805), (138, 157115), (161, 134670), (201, 107870), (210, 103247), (230, 94269), (322, 67335), (335, 64722), (345, 62846), (402, 53935), (469, 46230), (483, 44890), (670, 32361), (690, 31423), (805, 26934), (938, 23115), (966, 22445), (1005, 21574), (1407, 15410), (1541, 14070), (1610, 13467), (2010, 10787), (2345, 9246), (2415, 8978), (2814, 7705), (3082, 7035), (4489, 4830), (4623, 4690)]